120748520 has 32 divisors (see below), whose sum is σ = 273109320. Its totient is φ = 48046080.

The previous prime is 120748513. The next prime is 120748541. The reversal of 120748520 is 25847021.

It can be written as a sum of positive squares in 4 ways, for example, as 114019684 + 6728836 = 10678^2 + 2594^2 .

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, 101 + ... + 15540.

Almost surely, 2^120748520 is an apocalyptic number.

120748520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120748520 is an abundant number, since it is smaller than the sum of its proper divisors (152360800).

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

120748520 is a wasteful number, since it uses less digits than its factorization.

120748520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15845 (or 15841 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 120748520 is about 10988.5631453798. The cubic root of 120748520 is about 494.2658504465.

The spelling of 120748520 in words is "one hundred twenty million, seven hundred forty-eight thousand, five hundred twenty".