120989630 has 16 divisors (see below), whose sum is σ = 223668000. Its totient is φ = 47087712.

The previous prime is 120989611. The next prime is 120989633. The reversal of 120989630 is 36989021.

It is a Curzon 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163130 + ... + 163869.

It is an arithmetic number, because the mean of its divisors is an integer number (13979250).

Almost surely, 2^120989630 is an apocalyptic number.

120989630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120989630 is a deficient number, since it is larger than the sum of its proper divisors (102678370).

120989630 is a wasteful number, since it uses less digits than its factorization.

120989630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327043.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 120989630 is about 10999.5286262639. The cubic root of 120989630 is about 494.5946141893.

The spelling of 120989630 in words is "one hundred twenty million, nine hundred eighty-nine thousand, six hundred thirty".