102072979801 has 12 divisors (see below), whose sum is σ = 110635299840. Its totient is φ = 94130365680.

The previous prime is 102072979763. The next prime is 102072979819. The reversal of 102072979801 is 108979270201.

It is a de Polignac number, because none of the positive numbers 2^k-102072979801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102072979601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115065 + ... + 466246.

It is an arithmetic number, because the mean of its divisors is an integer number (9219608320).

Almost surely, 2^102072979801 is an apocalyptic number.

It is an amenable number.

102072979801 is a deficient number, since it is larger than the sum of its proper divisors (8562320039).

102072979801 is a wasteful number, since it uses less digits than its factorization.

102072979801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582376 (or 582363 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 102072979801 in words is "one hundred two billion, seventy-two million, nine hundred seventy-nine thousand, eight hundred one".