120039539 has 2 divisors, whose sum is σ = 120039540. Its totient is φ = 120039538.

The previous prime is 120039529. The next prime is 120039559. The reversal of 120039539 is 935930021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120039539 - 2⁴ = 120039523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120039529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60019769 + 60019770.

It is an arithmetic number, because the mean of its divisors is an integer number (60019770).

Almost surely, 2^120039539 is an apocalyptic number.

120039539 is a deficient number, since it is larger than the sum of its proper divisors (1).

120039539 is an equidigital number, since it uses as much as digits as its factorization.

120039539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 120039539 is about 10956.2557016528. The cubic root of 120039539 is about 493.2965820058.

The spelling of 120039539 in words is "one hundred twenty million, thirty-nine thousand, five hundred thirty-nine".