120492978195 has 16 divisors (see below), whose sum is σ = 192810305952. Its totient is φ = 64255741440.

The previous prime is 120492978191. The next prime is 120492978209. The reversal of 120492978195 is 591879294021.

It is not a de Polignac number, because 120492978195 - 2² = 120492978191 is a prime.

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, 308632 + ... + 579861.

It is an arithmetic number, because the mean of its divisors is an integer number (12050644122).

Almost surely, 2^120492978195 is an apocalyptic number.

120492978195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120492978195 is a deficient number, since it is larger than the sum of its proper divisors (72317327757).

120492978195 is an equidigital number, since it uses as much as digits as its factorization.

120492978195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897542.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 120492978195 in words is "one hundred twenty billion, four hundred ninety-two million, nine hundred seventy-eight thousand, one hundred ninety-five".