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121054544 = 24135379139
BaseRepresentation
bin1110011011100…
…10010101010000
322102210012121122
413031302111100
5221442221134
620002341412
72666642462
oct715622520
9272705548
10121054544
1162372086
123465a868
131c105c10
1412112132
15a96302e
hex7372550

121054544 has 80 divisors (see below), whose sum is σ = 262483200. Its totient is φ = 53733888.

The previous prime is 121054537. The next prime is 121054601. The reversal of 121054544 is 445450121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870827 + ... + 870965.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2121054544 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 121054544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131241600).

121054544 is an abundant number, since it is smaller than the sum of its proper divisors (141428656).

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

121054544 is a wasteful number, since it uses less digits than its factorization.

121054544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 121054544 is about 11002.4789933905. The cubic root of 121054544 is about 494.6830525527.

The spelling of 121054544 in words is "one hundred twenty-one million, fifty-four thousand, five hundred forty-four".

Divisors: 1 2 4 8 13 16 26 52 53 79 104 106 139 158 208 212 278 316 424 556 632 689 848 1027 1112 1264 1378 1807 2054 2224 2756 3614 4108 4187 5512 7228 7367 8216 8374 10981 11024 14456 14734 16432 16748 21962 28912 29468 33496 43924 54431 58936 66992 87848 95771 108862 117872 142753 175696 191542 217724 285506 383084 435448 571012 581993 766168 870896 1142024 1163986 1532336 2284048 2327972 4655944 7565909 9311888 15131818 30263636 60527272 121054544