120615131 has 12 divisors (see below), whose sum is σ = 149266512. Its totient is φ = 95430816.

The previous prime is 120615127. The next prime is 120615133. The reversal of 120615131 is 131516021.

It is not a de Polignac number, because 120615131 - 2² = 120615127 is a prime.

It is a super-2 number, since 2×120615131² = 29096019652294322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120615133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49796 + ... + 52161.

It is an arithmetic number, because the mean of its divisors is an integer number (12438876).

Almost surely, 2^120615131 is an apocalyptic number.

120615131 is a deficient number, since it is larger than the sum of its proper divisors (28651381).

120615131 is a wasteful number, since it uses less digits than its factorization.

120615131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101990 (or 101977 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 120615131 is about 10982.4920213948. The cubic root of 120615131 is about 494.0837808041.

The spelling of 120615131 in words is "one hundred twenty million, six hundred fifteen thousand, one hundred thirty-one".