120315657 has 64 divisors (see below), whose sum is σ = 213811200. Its totient is φ = 58294080.

The previous prime is 120315653. The next prime is 120315659. The reversal of 120315657 is 756513021.

It is not a de Polignac number, because 120315657 - 2² = 120315653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120315653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 346558 + ... + 346904.

It is an arithmetic number, because the mean of its divisors is an integer number (3340800).

Almost surely, 2^120315657 is an apocalyptic number.

It is an amenable number.

120315657 is a deficient number, since it is larger than the sum of its proper divisors (93495543).

120315657 is a wasteful number, since it uses less digits than its factorization.

120315657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 120315657 is about 10968.8493927121. The cubic root of 120315657 is about 493.6745234841.

Adding to 120315657 its reverse (756513021), we get a palindrome (876828678).

The spelling of 120315657 in words is "one hundred twenty million, three hundred fifteen thousand, six hundred fifty-seven".