120139317 has 12 divisors (see below), whose sum is σ = 176380204. Its totient is φ = 78779520.

The previous prime is 120139309. The next prime is 120139321. The reversal of 120139317 is 713931021.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 101425041 = 4326^2 + 10071^2 .

It is not a de Polignac number, because 120139317 - 2³ = 120139309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120139417) 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, 108868 + ... + 109965.

Almost surely, 2^120139317 is an apocalyptic number.

It is an amenable number.

120139317 is a deficient number, since it is larger than the sum of its proper divisors (56240887).

120139317 is a wasteful number, since it uses less digits than its factorization.

120139317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218900 (or 218897 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 120139317 is about 10960.8082274986. The cubic root of 120139317 is about 493.4332217487.

The spelling of 120139317 in words is "one hundred twenty million, one hundred thirty-nine thousand, three hundred seventeen".