120520339 has 4 divisors (see below), whose sum is σ = 120968640. Its totient is φ = 120072040.

The previous prime is 120520321. The next prime is 120520373. The reversal of 120520339 is 933025021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120520339 - 2⁵ = 120520307 is a prime.

It is a super-2 number, since 2×120520339² = 29050304225349842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120521339) 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, 223747 + ... + 224284.

It is an arithmetic number, because the mean of its divisors is an integer number (30242160).

Almost surely, 2^120520339 is an apocalyptic number.

120520339 is a deficient number, since it is larger than the sum of its proper divisors (448301).

120520339 is an equidigital number, since it uses as much as digits as its factorization.

120520339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448300.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 120520339 is about 10978.1755770255. The cubic root of 120520339 is about 493.9543126242.

It can be divided in two parts, 120520 and 339, that multiplied together give a triangular number (40856280 = T₉₀₃₉).

The spelling of 120520339 in words is "one hundred twenty million, five hundred twenty thousand, three hundred thirty-nine".