120535983 has 12 divisors (see below), whose sum is σ = 175903728. Its totient is φ = 79528320.

The previous prime is 120535979. The next prime is 120535991. The reversal of 120535983 is 389535021.

120535983 is a `hidden beast` number, since 12 + 0 + 53 + 598 + 3 = 666.

It is not a de Polignac number, because 120535983 - 2² = 120535979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120535783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68163 + ... + 69908.

It is an arithmetic number, because the mean of its divisors is an integer number (14658644).

Almost surely, 2^120535983 is an apocalyptic number.

120535983 is a deficient number, since it is larger than the sum of its proper divisors (55367745).

120535983 is a wasteful number, since it uses less digits than its factorization.

120535983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138174 (or 138171 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 120535983 is about 10978.8880584511. Note that the first 3 decimals coincide. The cubic root of 120535983 is about 493.9756840845.

The spelling of 120535983 in words is "one hundred twenty million, five hundred thirty-five thousand, nine hundred eighty-three".