120747428 has 24 divisors (see below), whose sum is σ = 220094784. Its totient is φ = 57909600.

The previous prime is 120747383. The next prime is 120747433. The reversal of 120747428 is 824747021.

It is a happy 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, 4763 + ... + 16253.

It is an arithmetic number, because the mean of its divisors is an integer number (9170616).

Almost surely, 2^120747428 is an apocalyptic number.

It is an amenable number.

120747428 is a deficient number, since it is larger than the sum of its proper divisors (99347356).

120747428 is a wasteful number, since it uses less digits than its factorization.

120747428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11603 (or 11601 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 120747428 is about 10988.5134572425. The cubic root of 120747428 is about 494.2643604629.

The spelling of 120747428 in words is "one hundred twenty million, seven hundred forty-seven thousand, four hundred twenty-eight".