120410139 has 4 divisors (see below), whose sum is σ = 160546856. Its totient is φ = 80273424.

The previous prime is 120410123. The next prime is 120410149. The reversal of 120410139 is 931014021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120410139 - 2⁴ = 120410123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120410119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20068354 + ... + 20068359.

It is an arithmetic number, because the mean of its divisors is an integer number (40136714).

Almost surely, 2^120410139 is an apocalyptic number.

120410139 is a deficient number, since it is larger than the sum of its proper divisors (40136717).

120410139 is an equidigital number, since it uses as much as digits as its factorization.

120410139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40136716.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 120410139 is about 10973.1553802906. The cubic root of 120410139 is about 493.8037146284.

The spelling of 120410139 in words is "one hundred twenty million, four hundred ten thousand, one hundred thirty-nine".