120987792 has 60 divisors (see below), whose sum is σ = 349533184. Its totient is φ = 39026880.

The previous prime is 120987733. The next prime is 120987803. The reversal of 120987792 is 297789021.

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, 9088 + ... + 18015.

Almost surely, 2^120987792 is an apocalyptic number.

120987792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120987792 is an abundant number, since it is smaller than the sum of its proper divisors (228545392).

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

120987792 is a wasteful number, since it uses less digits than its factorization.

120987792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27148 (or 27139 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 120987792 is about 10999.4450769118. The cubic root of 120987792 is about 494.5921096510.

The spelling of 120987792 in words is "one hundred twenty million, nine hundred eighty-seven thousand, seven hundred ninety-two".