102717056 has 32 divisors (see below), whose sum is σ = 220376100. Its totient is φ = 47407104.

The previous prime is 102717047. The next prime is 102717071. The reversal of 102717056 is 650717201.

It can be written as a sum of positive squares in 2 ways, for example, as 100801600 + 1915456 = 10040^2 + 1384^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29201 + ... + 32528.

Almost surely, 2^102717056 is an apocalyptic number.

102717056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102717056 is an abundant number, since it is smaller than the sum of its proper divisors (117659044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102717056 is an equidigital number, since it uses as much as digits as its factorization.

102717056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61756 (or 61744 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 102717056 is about 10134.9423284003. The cubic root of 102717056 is about 468.3251934210.

The spelling of 102717056 in words is "one hundred two million, seven hundred seventeen thousand, fifty-six".