120898728 has 48 divisors (see below), whose sum is σ = 328528980. Its totient is φ = 40164864.

The previous prime is 120898681. The next prime is 120898759. The reversal of 120898728 is 827898021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119639844 + 1258884 = 10938^2 + 1122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20176 + ... + 25472.

Almost surely, 2^120898728 is an apocalyptic number.

120898728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120898728 is an abundant number, since it is smaller than the sum of its proper divisors (207630252).

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

120898728 is a wasteful number, since it uses less digits than its factorization.

120898728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626 (or 5619 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 120898728 is about 10995.3957636822. The cubic root of 120898728 is about 494.4707167830.

The spelling of 120898728 in words is "one hundred twenty million, eight hundred ninety-eight thousand, seven hundred twenty-eight".