120745424 has 20 divisors (see below), whose sum is σ = 247706244. Its totient is φ = 56821248.

The previous prime is 120745411. The next prime is 120745433. The reversal of 120745424 is 424547021.

It can be written as a sum of positive squares in 2 ways, for example, as 111936400 + 8809024 = 10580^2 + 2968^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221687 + ... + 222230.

Almost surely, 2^120745424 is an apocalyptic number.

It is an amenable number.

120745424 is an abundant number, since it is smaller than the sum of its proper divisors (126960820).

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

120745424 is a wasteful number, since it uses less digits than its factorization.

120745424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443942 (or 443936 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 120745424 is about 10988.4222707357. The cubic root of 120745424 is about 494.2616260741.

The spelling of 120745424 in words is "one hundred twenty million, seven hundred forty-five thousand, four hundred twenty-four".