120856884 has 24 divisors (see below), whose sum is σ = 282897888. Its totient is φ = 40157280.

The previous prime is 120856871. The next prime is 120856909. The reversal of 120856884 is 488658021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12082 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (11787412).

Almost surely, 2^120856884 is an apocalyptic number.

It is an amenable number.

120856884 is an abundant number, since it is smaller than the sum of its proper divisors (162041004).

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

120856884 is a wasteful number, since it uses less digits than its factorization.

120856884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095 (or 32093 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 120856884 is about 10993.4928025628. The cubic root of 120856884 is about 494.4136634665.

The spelling of 120856884 in words is "one hundred twenty million, eight hundred fifty-six thousand, eight hundred eighty-four".