120915238686 has 32 divisors (see below), whose sum is σ = 263862662400. Its totient is φ = 36634370880.

The previous prime is 120915238679. The next prime is 120915238687. The reversal of 120915238686 is 686832519021.

120915238686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120915238687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209730 + ... + 534618.

It is an arithmetic number, because the mean of its divisors is an integer number (8245708200).

Almost surely, 2^120915238686 is an apocalyptic number.

120915238686 is an abundant number, since it is smaller than the sum of its proper divisors (142947423714).

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

120915238686 is a wasteful number, since it uses less digits than its factorization.

120915238686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330544.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 120915238686 in words is "one hundred twenty billion, nine hundred fifteen million, two hundred thirty-eight thousand, six hundred eighty-six".