120507239 has 4 divisors (see below), whose sum is σ = 121612920. Its totient is φ = 119401560.

The previous prime is 120507229. The next prime is 120507251. The reversal of 120507239 is 932705021.

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 120507239 - 2⁴ = 120507223 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 (120507229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552677 + ... + 552894.

It is an arithmetic number, because the mean of its divisors is an integer number (30403230).

Almost surely, 2^120507239 is an apocalyptic number.

120507239 is a deficient number, since it is larger than the sum of its proper divisors (1105681).

120507239 is a wasteful number, since it uses less digits than its factorization.

120507239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105680.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 120507239 is about 10977.5789225129. The cubic root of 120507239 is about 493.9364151307.

The spelling of 120507239 in words is "one hundred twenty million, five hundred seven thousand, two hundred thirty-nine".