120545539 has 2 divisors, whose sum is σ = 120545540. Its totient is φ = 120545538.

The previous prime is 120545533. The next prime is 120545561. The reversal of 120545539 is 935545021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120545539 - 2³ = 120545531 is a prime.

It is not a weakly prime, because it can be changed into another prime (120545531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60272769 + 60272770.

It is an arithmetic number, because the mean of its divisors is an integer number (60272770).

Almost surely, 2^120545539 is an apocalyptic number.

120545539 is a deficient number, since it is larger than the sum of its proper divisors (1).

120545539 is an equidigital number, since it uses as much as digits as its factorization.

120545539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 120545539 is about 10979.3232487253. The cubic root of 120545539 is about 493.9887377436.

The spelling of 120545539 in words is "one hundred twenty million, five hundred forty-five thousand, five hundred thirty-nine".