120939859 has 4 divisors (see below), whose sum is σ = 120962016. Its totient is φ = 120917704.

The previous prime is 120939851. The next prime is 120939877. The reversal of 120939859 is 958939021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958939021 = 9781 ⋅98041.

It is a cyclic number.

It is not a de Polignac number, because 120939859 - 2³ = 120939851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120939851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (30240504).

Almost surely, 2^120939859 is an apocalyptic number.

120939859 is a deficient number, since it is larger than the sum of its proper divisors (22157).

120939859 is an equidigital number, since it uses as much as digits as its factorization.

120939859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22156.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 120939859 is about 10997.2659784148. The cubic root of 120939859 is about 494.5267851123.

It can be divided in two parts, 12093 and 9859, that added together give a cube (21952 = 28³).

The spelling of 120939859 in words is "one hundred twenty million, nine hundred thirty-nine thousand, eight hundred fifty-nine".