120164520 has 64 divisors (see below), whose sum is σ = 411995520. Its totient is φ = 27465984.

The previous prime is 120164509. The next prime is 120164537. The reversal of 120164520 is 25461021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70687 + ... + 72366.

It is an arithmetic number, because the mean of its divisors is an integer number (6437430).

Almost surely, 2^120164520 is an apocalyptic number.

120164520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120164520 is an abundant number, since it is smaller than the sum of its proper divisors (291831000).

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

120164520 is a wasteful number, since it uses less digits than its factorization.

120164520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143074 (or 143070 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120164520 is about 10961.9578543251. The cubic root of 120164520 is about 493.4677237149.

The spelling of 120164520 in words is "one hundred twenty million, one hundred sixty-four thousand, five hundred twenty".