120257472136 has 64 divisors (see below), whose sum is σ = 236666430000. Its totient is φ = 57208467456.

The previous prime is 120257472091. The next prime is 120257472151. The reversal of 120257472136 is 631274752021.

It can be written as a sum of positive squares in 8 ways, for example, as 19129656100 + 101127816036 = 138310^2 + 318006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24199060 + ... + 24204028.

Almost surely, 2^120257472136 is an apocalyptic number.

It is an amenable number.

120257472136 is a deficient number, since it is larger than the sum of its proper divisors (116408957864).

120257472136 is a wasteful number, since it uses less digits than its factorization.

120257472136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 120257472136 in words is "one hundred twenty billion, two hundred fifty-seven million, four hundred seventy-two thousand, one hundred thirty-six".