120386728 has 48 divisors (see below), whose sum is σ = 286459200. Its totient is φ = 46902240.

The previous prime is 120386719. The next prime is 120386737. The reversal of 120386728 is 827683021.

It is an interprime number because it is at equal distance from previous prime (120386719) and next prime (120386737).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9648 + ... + 18271.

It is an arithmetic number, because the mean of its divisors is an integer number (5967900).

Almost surely, 2^120386728 is an apocalyptic number.

It is an amenable number.

120386728 is an abundant number, since it is smaller than the sum of its proper divisors (166072472).

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

120386728 is a wasteful number, since it uses less digits than its factorization.

120386728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950 (or 27939 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 120386728 is about 10972.0885887783. The cubic root of 120386728 is about 493.7717096046.

The spelling of 120386728 in words is "one hundred twenty million, three hundred eighty-six thousand, seven hundred twenty-eight".