120797556 has 48 divisors (see below), whose sum is σ = 308206080. Its totient is φ = 36519520.

The previous prime is 120797549. The next prime is 120797569. The reversal of 120797556 is 655797021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76705 + ... + 78263.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 2^120797556 is an apocalyptic number.

It is an amenable number.

120797556 is an abundant number, since it is smaller than the sum of its proper divisors (187408524).

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

120797556 is a wasteful number, since it uses less digits than its factorization.

120797556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 120797556 is about 10990.7941478312. The cubic root of 120797556 is about 494.3327485477.

The spelling of 120797556 in words is "one hundred twenty million, seven hundred ninety-seven thousand, five hundred fifty-six".