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121301244 = 223219374793
BaseRepresentation
bin1110011101011…
…10100011111100
322110020202000200
413032232203330
5222023114434
620011523500
73002020641
oct716564374
9273222020
10121301244
1162520469
1234759590
131c1912ac
1412177dc8
15a9b1199
hex73ae8fc

121301244 has 72 divisors (see below), whose sum is σ = 331553040. Its totient is φ = 37262592.

The previous prime is 121301231. The next prime is 121301249. The reversal of 121301244 is 442103121.

121301244 is a `hidden beast` number, since 121 + 301 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22912 + ... + 27704.

Almost surely, 2121301244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121301244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165776520).

121301244 is an abundant number, since it is smaller than the sum of its proper divisors (210251796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121301244 is a wasteful number, since it uses less digits than its factorization.

121301244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859 (or 4854 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121301244 is about 11013.6843971488. The cubic root of 121301244 is about 495.0188667434.

Adding to 121301244 its reverse (442103121), we get a palindrome (563404365).

The spelling of 121301244 in words is "one hundred twenty-one million, three hundred one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 37 38 57 74 76 111 114 148 171 222 228 333 342 444 666 684 703 1332 1406 2109 2812 4218 4793 6327 8436 9586 12654 14379 19172 25308 28758 43137 57516 86274 91067 172548 177341 182134 273201 354682 364268 532023 546402 709364 819603 1064046 1092804 1596069 1639206 2128092 3192138 3278412 3369479 6384276 6738958 10108437 13477916 20216874 30325311 40433748 60650622 121301244