120659561982 has 40 divisors (see below), whose sum is σ = 272181393000. Its totient is φ = 39949914096.

The previous prime is 120659561941. The next prime is 120659561983. The reversal of 120659561982 is 289165956021.

120659561982 is a `hidden beast` number, since 1 + 20 + 6 + 59 + 561 + 9 + 8 + 2 = 666.

120659561982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120659561983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2475232 + ... + 2523507.

It is an arithmetic number, because the mean of its divisors is an integer number (6804534825).

Almost surely, 2^120659561982 is an apocalyptic number.

120659561982 is an abundant number, since it is smaller than the sum of its proper divisors (151521831018).

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

120659561982 is a wasteful number, since it uses less digits than its factorization.

120659561982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998902 (or 4998893 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 120659561982 in words is "one hundred twenty billion, six hundred fifty-nine million, five hundred sixty-one thousand, nine hundred eighty-two".