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121201342 = 21919116699
BaseRepresentation
bin1110011100101…
…10001010111110
322110001122222121
413032112022332
5222011420332
620005433154
73001123453
oct716261276
9273048877
10121201342
11624623a9
123470b7ba
131c157992
141214d82a
15a991797
hex73962be

121201342 has 16 divisors (see below), whose sum is σ = 192384000. Its totient is φ = 57107160.

The previous prime is 121201319. The next prime is 121201343. The reversal of 121201342 is 243102121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (12024000).

Almost surely, 2121201342 is an apocalyptic number.

121201342 is a deficient number, since it is larger than the sum of its proper divisors (71182658).

121201342 is a wasteful number, since it uses less digits than its factorization.

121201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16911.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121201342 is about 11009.1481050988. The cubic root of 121201342 is about 494.8829325579.

Adding to 121201342 its reverse (243102121), we get a palindrome (364303463).

The spelling of 121201342 in words is "one hundred twenty-one million, two hundred one thousand, three hundred forty-two".

Divisors: 1 2 19 38 191 382 3629 7258 16699 33398 317281 634562 3189509 6379018 60600671 121201342