102659231 has 2 divisors, whose sum is σ = 102659232. Its totient is φ = 102659230.

The previous prime is 102659191. The next prime is 102659237. The reversal of 102659231 is 132956201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102659231 - 2²⁶ = 35550367 is a prime.

It is a super-2 number, since 2×102659231² = 21077835419022722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102659194 and 102659203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102659237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51329615 + 51329616.

It is an arithmetic number, because the mean of its divisors is an integer number (51329616).

Almost surely, 2^102659231 is an apocalyptic number.

102659231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102659231 is an equidigital number, since it uses as much as digits as its factorization.

102659231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 102659231 is about 10132.0891725251. The cubic root of 102659231 is about 468.2372950436.

The spelling of 102659231 in words is "one hundred two million, six hundred fifty-nine thousand, two hundred thirty-one".