102641697 has 6 divisors (see below), whose sum is σ = 148260242. Its totient is φ = 68427792.

The previous prime is 102641683. The next prime is 102641719. The reversal of 102641697 is 796146201.

102641697 is a `hidden beast` number, since 1 + 0 + 2 + 641 + 6 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101787921 + 853776 = 10089^2 + 924^2 .

It is not a de Polignac number, because 102641697 - 2¹⁰ = 102640673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102641197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5702308 + ... + 5702325.

Almost surely, 2^102641697 is an apocalyptic number.

It is an amenable number.

102641697 is a deficient number, since it is larger than the sum of its proper divisors (45618545).

102641697 is a wasteful number, since it uses less digits than its factorization.

102641697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11404639 (or 11404636 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 102641697 is about 10131.2238648645. The cubic root of 102641697 is about 468.2106355147.

Adding to 102641697 its reverse (796146201), we get a palindrome (898787898).

The spelling of 102641697 in words is "one hundred two million, six hundred forty-one thousand, six hundred ninety-seven".