120521992 has 16 divisors (see below), whose sum is σ = 227420460. Its totient is φ = 59876544.

The previous prime is 120521981. The next prime is 120522011. The reversal of 120521992 is 299125021.

It can be written as a sum of positive squares in 2 ways, for example, as 119115396 + 1406596 = 10914^2 + 1186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46723 + ... + 49234.

Almost surely, 2^120521992 is an apocalyptic number.

It is an amenable number.

120521992 is a deficient number, since it is larger than the sum of its proper divisors (106898468).

120521992 is a wasteful number, since it uses less digits than its factorization.

120521992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96120 (or 96116 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 120521992 is about 10978.2508625008. The cubic root of 120521992 is about 493.9565708951.

The spelling of 120521992 in words is "one hundred twenty million, five hundred twenty-one thousand, nine hundred ninety-two".