120147931857 has 24 divisors (see below), whose sum is σ = 166067647200. Its totient is φ = 77263943680.

The previous prime is 120147931853. The next prime is 120147931933. The reversal of 120147931857 is 758139741021.

It is not a de Polignac number, because 120147931857 - 2² = 120147931853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120147931853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2730769 + ... + 2774417.

It is an arithmetic number, because the mean of its divisors is an integer number (6919485300).

Almost surely, 2^120147931857 is an apocalyptic number.

It is an amenable number.

120147931857 is a deficient number, since it is larger than the sum of its proper divisors (45919715343).

120147931857 is a wasteful number, since it uses less digits than its factorization.

120147931857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44801 (or 44772 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 120147931857 in words is "one hundred twenty billion, one hundred forty-seven million, nine hundred thirty-one thousand, eight hundred fifty-seven".