120657664 has 36 divisors (see below), whose sum is σ = 241547656. Its totient is φ = 60152832.

The previous prime is 120657631. The next prime is 120657679. The reversal of 120657664 is 466756021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164242 + ... + 164974.

Almost surely, 2^120657664 is an apocalyptic number.

It is an amenable number.

120657664 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

120657664 is an frugal number, since it uses more digits than its factorization.

120657664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 120657664 is about 10984.4282509378. The cubic root of 120657664 is about 494.1418508974.

The spelling of 120657664 in words is "one hundred twenty million, six hundred fifty-seven thousand, six hundred sixty-four".