120655664 has 20 divisors (see below), whose sum is σ = 247522104. Its totient is φ = 56779008.

The previous prime is 120655603. The next prime is 120655679. The reversal of 120655664 is 466556021.

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, 221522 + ... + 222065.

Almost surely, 2^120655664 is an apocalyptic number.

It is an amenable number.

120655664 is an abundant number, since it is smaller than the sum of its proper divisors (126866440).

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

120655664 is a wasteful number, since it uses less digits than its factorization.

120655664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443612 (or 443606 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 120655664 is about 10984.3372125950. The cubic root of 120655664 is about 494.1391206132.

The spelling of 120655664 in words is "one hundred twenty million, six hundred fifty-five thousand, six hundred sixty-four".