120907138917 has 16 divisors (see below), whose sum is σ = 161682523200. Its totient is φ = 80368512000.

The previous prime is 120907138909. The next prime is 120907138939. The reversal of 120907138917 is 719831709021.

It is not a de Polignac number, because 120907138917 - 2³ = 120907138909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120907158917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923567 + ... + 1985427.

It is an arithmetic number, because the mean of its divisors is an integer number (10105157700).

Almost surely, 2^120907138917 is an apocalyptic number.

It is an amenable number.

120907138917 is a deficient number, since it is larger than the sum of its proper divisors (40775384283).

120907138917 is a wasteful number, since it uses less digits than its factorization.

120907138917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63764.

The product of its (nonzero) digits is 190512, while the sum is 48.

The spelling of 120907138917 in words is "one hundred twenty billion, nine hundred seven million, one hundred thirty-eight thousand, nine hundred seventeen".