120386917 has 16 divisors (see below), whose sum is σ = 142709760. Its totient is φ = 99364608.

The previous prime is 120386891. The next prime is 120386921. The reversal of 120386917 is 719683021.

It is not a de Polignac number, because 120386917 - 2²³ = 111998309 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 (120386017) 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, 122733 + ... + 123709.

It is an arithmetic number, because the mean of its divisors is an integer number (8919360).

Almost surely, 2^120386917 is an apocalyptic number.

It is an amenable number.

120386917 is a deficient number, since it is larger than the sum of its proper divisors (22322843).

120386917 is an equidigital number, since it uses as much as digits as its factorization.

120386917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 120386917 is about 10972.0972015381. The cubic root of 120386917 is about 493.7719680019.

The spelling of 120386917 in words is "one hundred twenty million, three hundred eighty-six thousand, nine hundred seventeen".