120118728 has 32 divisors (see below), whose sum is σ = 300605760. Its totient is φ = 39998400.

The previous prime is 120118709. The next prime is 120118777. The reversal of 120118728 is 827811021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120118695 and 120118704.

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, 29301 + ... + 33147.

It is an arithmetic number, because the mean of its divisors is an integer number (9393930).

Almost surely, 2^120118728 is an apocalyptic number.

It is an amenable number.

120118728 is an abundant number, since it is smaller than the sum of its proper divisors (180487032).

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

120118728 is a wasteful number, since it uses less digits than its factorization.

120118728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 120118728 is about 10959.8689773190. The cubic root of 120118728 is about 493.4050325950.

Adding to 120118728 its reverse (827811021), we get a palindrome (947929749).

The spelling of 120118728 in words is "one hundred twenty million, one hundred eighteen thousand, seven hundred twenty-eight".