120015992 has 16 divisors (see below), whose sum is σ = 225150000. Its totient is φ = 59976000.

The previous prime is 120015983. The next prime is 120016019. The reversal of 120015992 is 299510021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21509 + ... + 26507.

It is an arithmetic number, because the mean of its divisors is an integer number (14071875).

Almost surely, 2^120015992 is an apocalyptic number.

It is an amenable number.

120015992 is a deficient number, since it is larger than the sum of its proper divisors (105134008).

120015992 is a wasteful number, since it uses less digits than its factorization.

120015992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 120015992 is about 10955.1810573810. The cubic root of 120015992 is about 493.2643248170.

The spelling of 120015992 in words is "one hundred twenty million, fifteen thousand, nine hundred ninety-two".