120492978197 has 16 divisors (see below), whose sum is σ = 126342289920. Its totient is φ = 114695749872.

The previous prime is 120492978191. The next prime is 120492978209. The reversal of 120492978197 is 791879294021.

It is a cyclic number.

It is not a de Polignac number, because 120492978197 - 2⁴ = 120492978181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120492978191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4526954 + ... + 4553492.

It is an arithmetic number, because the mean of its divisors is an integer number (7896393120).

Almost surely, 2^120492978197 is an apocalyptic number.

It is an amenable number.

120492978197 is a deficient number, since it is larger than the sum of its proper divisors (5849311723).

120492978197 is a wasteful number, since it uses less digits than its factorization.

120492978197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27512.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 120492978197 in words is "one hundred twenty billion, four hundred ninety-two million, nine hundred seventy-eight thousand, one hundred ninety-seven".