120439436 has 24 divisors (see below), whose sum is σ = 234811920. Its totient is φ = 53669952.

The previous prime is 120439421. The next prime is 120439439. The reversal of 120439436 is 634934021.

It is not an unprimeable number, because it can be changed into a prime (120439439) 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 in 7 ways as a sum of consecutive naturals, for example, 38426 + ... + 41441.

It is an arithmetic number, because the mean of its divisors is an integer number (9783830).

Almost surely, 2^120439436 is an apocalyptic number.

It is an amenable number.

120439436 is a deficient number, since it is larger than the sum of its proper divisors (114372484).

120439436 is a wasteful number, since it uses less digits than its factorization.

120439436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79913 (or 79911 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 120439436 is about 10974.4902387309. The cubic root of 120439436 is about 493.8437605204.

The spelling of 120439436 in words is "one hundred twenty million, four hundred thirty-nine thousand, four hundred thirty-six".