120371913 has 20 divisors (see below), whose sum is σ = 180692688. Its totient is φ = 79856280.

The previous prime is 120371891. The next prime is 120371929. The reversal of 120371913 is 319173021.

It is not a de Polignac number, because 120371913 - 2¹² = 120367817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120371113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13570 + ... + 20612.

Almost surely, 2^120371913 is an apocalyptic number.

It is an amenable number.

120371913 is a deficient number, since it is larger than the sum of its proper divisors (60320775).

120371913 is an equidigital number, since it uses as much as digits as its factorization.

120371913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266 (or 7257 counting only the distinct ones).

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

The square root of 120371913 is about 10971.4134458601. The cubic root of 120371913 is about 493.7514539721.

The spelling of 120371913 in words is "one hundred twenty million, three hundred seventy-one thousand, nine hundred thirteen".