120620439 has 12 divisors (see below), whose sum is σ = 176436000. Its totient is φ = 79395264.

The previous prime is 120620419. The next prime is 120620443. The reversal of 120620439 is 934026021.

120620439 is a `hidden beast` number, since 1 + 2 + 0 + 620 + 4 + 39 = 666.

It is not a de Polignac number, because 120620439 - 2⁸ = 120620183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120620419) 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 11 ways as a sum of consecutive naturals, for example, 84114 + ... + 85535.

It is an arithmetic number, because the mean of its divisors is an integer number (14703000).

Almost surely, 2^120620439 is an apocalyptic number.

120620439 is a deficient number, since it is larger than the sum of its proper divisors (55815561).

120620439 is a wasteful number, since it uses less digits than its factorization.

120620439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169734 (or 169731 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 120620439 is about 10982.7336760936. The cubic root of 120620439 is about 494.0910285356.

The spelling of 120620439 in words is "one hundred twenty million, six hundred twenty thousand, four hundred thirty-nine".