120912424 has 8 divisors (see below), whose sum is σ = 226710810. Its totient is φ = 60456208.

The previous prime is 120912419. The next prime is 120912427. The reversal of 120912424 is 424219021.

It can be written as a sum of positive squares in only one way, i.e., 115992900 + 4919524 = 10770^2 + 2218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120912427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557019 + ... + 7557034.

Almost surely, 2^120912424 is an apocalyptic number.

It is an amenable number.

120912424 is a deficient number, since it is larger than the sum of its proper divisors (105798386).

120912424 is a wasteful number, since it uses less digits than its factorization.

120912424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15114059 (or 15114055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 120912424 is about 10996.0185521851. The cubic root of 120912424 is about 494.4893880995.

The spelling of 120912424 in words is "one hundred twenty million, nine hundred twelve thousand, four hundred twenty-four".