102172597 has 8 divisors (see below), whose sum is σ = 106156440. Its totient is φ = 98219520.

The previous prime is 102172591. The next prime is 102172613. The reversal of 102172597 is 795271201.

It can be written as a sum of positive squares in 4 ways, for example, as 848241 + 101324356 = 921^2 + 10066^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-102172597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102172591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (13269555).

Almost surely, 2^102172597 is an apocalyptic number.

It is an amenable number.

102172597 is a deficient number, since it is larger than the sum of its proper divisors (3983843).

102172597 is a wasteful number, since it uses less digits than its factorization.

102172597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15383.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 102172597 is about 10108.0461514578. The cubic root of 102172597 is about 467.4962635179.

The spelling of 102172597 in words is "one hundred two million, one hundred seventy-two thousand, five hundred ninety-seven".