115102217 has 2 divisors, whose sum is σ = 115102218. Its totient is φ = 115102216.

The previous prime is 115102177. The next prime is 115102219. The reversal of 115102217 is 712201511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 633616 = 10699^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 115102217 - 2¹⁸ = 114840073 is a prime.

Together with 115102219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115102219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57551108 + 57551109.

It is an arithmetic number, because the mean of its divisors is an integer number (57551109).

Almost surely, 2^115102217 is an apocalyptic number.

It is an amenable number.

115102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

115102217 is an equidigital number, since it uses as much as digits as its factorization.

115102217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 115102217 is about 10728.5701284001. The cubic root of 115102217 is about 486.4384503149.

Adding to 115102217 its reverse (712201511), we get a palindrome (827303728).

The spelling of 115102217 in words is "one hundred fifteen million, one hundred two thousand, two hundred seventeen".