120328556 has 12 divisors (see below), whose sum is σ = 211867992. Its totient is φ = 59794848.

The previous prime is 120328517. The next prime is 120328561. The reversal of 120328556 is 655823021.

It is a super-2 number, since 2×120328556² = 28957922778090272, which contains 22 as substring.

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, 91625 + ... + 92928.

It is an arithmetic number, because the mean of its divisors is an integer number (17655666).

Almost surely, 2^120328556 is an apocalyptic number.

It is an amenable number.

120328556 is a deficient number, since it is larger than the sum of its proper divisors (91539436).

120328556 is a wasteful number, since it uses less digits than its factorization.

120328556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184720 (or 184718 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 120328556 is about 10969.4373602296. The cubic root of 120328556 is about 493.6921650786.

The spelling of 120328556 in words is "one hundred twenty million, three hundred twenty-eight thousand, five hundred fifty-six".