120515730 has 16 divisors (see below), whose sum is σ = 289237824. Its totient is φ = 32137520.

The previous prime is 120515729. The next prime is 120515753. The reversal of 120515730 is 37515021.

It is a self number, because there is not a number n which added to its sum of digits gives 120515730.

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, 2008566 + ... + 2008625.

It is an arithmetic number, because the mean of its divisors is an integer number (18077364).

Almost surely, 2^120515730 is an apocalyptic number.

120515730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120515730 is an abundant number, since it is smaller than the sum of its proper divisors (168722094).

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

120515730 is a wasteful number, since it uses less digits than its factorization.

120515730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017201.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 120515730 is about 10977.9656585362. The cubic root of 120515730 is about 493.9480158600.

The spelling of 120515730 in words is "one hundred twenty million, five hundred fifteen thousand, seven hundred thirty".