120268520 has 16 divisors (see below), whose sum is σ = 270604260. Its totient is φ = 48107392.

The previous prime is 120268517. The next prime is 120268571. The reversal of 120268520 is 25862021.

It can be written as a sum of positive squares in 2 ways, for example, as 111471364 + 8797156 = 10558^2 + 2966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120268520.

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, 1503317 + ... + 1503396.

Almost surely, 2^120268520 is an apocalyptic number.

120268520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120268520 is an abundant number, since it is smaller than the sum of its proper divisors (150335740).

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

120268520 is a wasteful number, since it uses less digits than its factorization.

120268520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006724 (or 3006720 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 120268520 is about 10966.7005065334. The cubic root of 120268520 is about 493.6100448280.

The spelling of 120268520 in words is "one hundred twenty million, two hundred sixty-eight thousand, five hundred twenty".