120816872 has 32 divisors (see below), whose sum is σ = 247557600. Its totient is φ = 54820800.

The previous prime is 120816863. The next prime is 120816887. The reversal of 120816872 is 278618021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82079 + ... + 83537.

It is an arithmetic number, because the mean of its divisors is an integer number (7736175).

Almost surely, 2^120816872 is an apocalyptic number.

It is an amenable number.

120816872 is an abundant number, since it is smaller than the sum of its proper divisors (126740728).

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

120816872 is a wasteful number, since it uses less digits than its factorization.

120816872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 120816872 is about 10991.6728481155. The cubic root of 120816872 is about 494.3590957211.

The spelling of 120816872 in words is "one hundred twenty million, eight hundred sixteen thousand, eight hundred seventy-two".