102420000976 has 40 divisors (see below), whose sum is σ = 202625707464. Its totient is φ = 50139740160.

The previous prime is 102420000961. The next prime is 102420000989. The reversal of 102420000976 is 679000024201.

It can be written as a sum of positive squares in 4 ways, for example, as 1130573376 + 101289427600 = 33624^2 + 318260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160015 + ... + 480046.

Almost surely, 2^102420000976 is an apocalyptic number.

102420000976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

102420000976 is the 160016-th decagonal number.

It is an amenable number.

102420000976 is a deficient number, since it is larger than the sum of its proper divisors (100205706488).

102420000976 is a wasteful number, since it uses less digits than its factorization.

102420000976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640279 (or 640273 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 102420000976 in words is "one hundred two billion, four hundred twenty million, nine hundred seventy-six", and thus it is an aban number.