120915928 has 48 divisors (see below), whose sum is σ = 265405680. Its totient is φ = 51492672.

The previous prime is 120915901. The next prime is 120915953. The reversal of 120915928 is 829519021.

It is a congruent number.

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, 66925 + ... + 68707.

It is an arithmetic number, because the mean of its divisors is an integer number (5529285).

Almost surely, 2^120915928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120915928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132702840).

120915928 is an abundant number, since it is smaller than the sum of its proper divisors (144489752).

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

120915928 is a wasteful number, since it uses less digits than its factorization.

120915928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 120915928 is about 10996.1778814277. The cubic root of 120915928 is about 494.4941647635.

The spelling of 120915928 in words is "one hundred twenty million, nine hundred fifteen thousand, nine hundred twenty-eight".