120506239 has 6 divisors (see below), whose sum is σ = 140180784. Its totient is φ = 103291020.

The previous prime is 120506219. The next prime is 120506273. The reversal of 120506239 is 932605021.

It is not a de Polignac number, because 120506239 - 2⁹ = 120505727 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 (120506219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1229607 + ... + 1229704.

It is an arithmetic number, because the mean of its divisors is an integer number (23363464).

Almost surely, 2^120506239 is an apocalyptic number.

120506239 is a deficient number, since it is larger than the sum of its proper divisors (19674545).

120506239 is an equidigital number, since it uses as much as digits as its factorization.

120506239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459325 (or 2459318 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 120506239 is about 10977.5333750347. The cubic root of 120506239 is about 493.9350488565.

The spelling of 120506239 in words is "one hundred twenty million, five hundred six thousand, two hundred thirty-nine".