120985683 has 16 divisors (see below), whose sum is σ = 198541056. Its totient is φ = 63816480.

The previous prime is 120985663. The next prime is 120985687. The reversal of 120985683 is 386589021.

It is not a de Polignac number, because 120985683 - 2⁶ = 120985619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120985687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221313 + ... + 221858.

It is an arithmetic number, because the mean of its divisors is an integer number (12408816).

Almost surely, 2^120985683 is an apocalyptic number.

120985683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120985683 is a deficient number, since it is larger than the sum of its proper divisors (77555373).

120985683 is a wasteful number, since it uses less digits than its factorization.

120985683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443194.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 120985683 is about 10999.3492080214. The cubic root of 120985683 is about 494.5892358050.

The spelling of 120985683 in words is "one hundred twenty million, nine hundred eighty-five thousand, six hundred eighty-three".