120979128 has 32 divisors (see below), whose sum is σ = 308885760. Its totient is φ = 39468000.

The previous prime is 120979109. The next prime is 120979139. The reversal of 120979128 is 821979021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52498 + ... + 54753.

It is an arithmetic number, because the mean of its divisors is an integer number (9652680).

Almost surely, 2^120979128 is an apocalyptic number.

It is an amenable number.

120979128 is an abundant number, since it is smaller than the sum of its proper divisors (187906632).

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

120979128 is a wasteful number, since it uses less digits than its factorization.

120979128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107307 (or 107303 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 120979128 is about 10999.0512318109. The cubic root of 120979128 is about 494.5803033680.

The spelling of 120979128 in words is "one hundred twenty million, nine hundred seventy-nine thousand, one hundred twenty-eight".