120745428 has 24 divisors (see below), whose sum is σ = 283634400. Its totient is φ = 39977760.

The previous prime is 120745411. The next prime is 120745433. The reversal of 120745428 is 824547021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31978 + ... + 35553.

It is an arithmetic number, because the mean of its divisors is an integer number (11818100).

Almost surely, 2^120745428 is an apocalyptic number.

It is an amenable number.

120745428 is an abundant number, since it is smaller than the sum of its proper divisors (162888972).

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

120745428 is a wasteful number, since it uses less digits than its factorization.

120745428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67687 (or 67685 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 120745428 is about 10988.4224527454. The cubic root of 120745428 is about 494.2616315320.

The spelling of 120745428 in words is "one hundred twenty million, seven hundred forty-five thousand, four hundred twenty-eight".