120899256 has 32 divisors (see below), whose sum is σ = 312000000. Its totient is φ = 38999520.

The previous prime is 120899249. The next prime is 120899267. The reversal of 120899256 is 652998021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80506 + ... + 81993.

It is an arithmetic number, because the mean of its divisors is an integer number (9750000).

Almost surely, 2^120899256 is an apocalyptic number.

It is an amenable number.

120899256 is an abundant number, since it is smaller than the sum of its proper divisors (191100744).

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

120899256 is a wasteful number, since it uses less digits than its factorization.

120899256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162539 (or 162535 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 120899256 is about 10995.4197737058. The cubic root of 120899256 is about 494.4714366146.

The spelling of 120899256 in words is "one hundred twenty million, eight hundred ninety-nine thousand, two hundred fifty-six".