120729647995 has 16 divisors (see below), whose sum is σ = 158084222688. Its totient is φ = 87782192640.

The previous prime is 120729647989. The next prime is 120729648007. The reversal of 120729647995 is 599746927021.

It is not a de Polignac number, because 120729647995 - 2²¹ = 120727550843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33024 + ... + 492493.

It is an arithmetic number, because the mean of its divisors is an integer number (9880263918).

Almost surely, 2^120729647995 is an apocalyptic number.

120729647995 is a deficient number, since it is larger than the sum of its proper divisors (37354574693).

120729647995 is a wasteful number, since it uses less digits than its factorization.

120729647995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529710.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 120729647995 in words is "one hundred twenty billion, seven hundred twenty-nine million, six hundred forty-seven thousand, nine hundred ninety-five".