120389964 has 12 divisors (see below), whose sum is σ = 280909944. Its totient is φ = 40129984.

The previous prime is 120389963. The next prime is 120389987. The reversal of 120389964 is 469983021.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (120389963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5016237 + ... + 5016260.

It is an arithmetic number, because the mean of its divisors is an integer number (23409162).

Almost surely, 2^120389964 is an apocalyptic number.

It is an amenable number.

120389964 is an abundant number, since it is smaller than the sum of its proper divisors (160519980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120389964 is a wasteful number, since it uses less digits than its factorization.

120389964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10032504 (or 10032502 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 120389964 is about 10972.2360528745. The cubic root of 120389964 is about 493.7761337660.

The spelling of 120389964 in words is "one hundred twenty million, three hundred eighty-nine thousand, nine hundred sixty-four".