120989632 has 28 divisors (see below), whose sum is σ = 241858800. Its totient is φ = 60048896.

The previous prime is 120989611. The next prime is 120989633. The reversal of 120989632 is 236989021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120989633) 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 3 ways as a sum of consecutive naturals, for example, 1869 + ... + 15667.

Almost surely, 2^120989632 is an apocalyptic number.

It is an amenable number.

120989632 is a deficient number, since it is larger than the sum of its proper divisors (120869168).

120989632 is a wasteful number, since it uses less digits than its factorization.

120989632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13948 (or 13938 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 120989632 is about 10999.5287171769. The cubic root of 120989632 is about 494.5946169146.

The spelling of 120989632 in words is "one hundred twenty million, nine hundred eighty-nine thousand, six hundred thirty-two".