102697247 has 2 divisors, whose sum is σ = 102697248. Its totient is φ = 102697246.

The previous prime is 102697241. The next prime is 102697253. The reversal of 102697247 is 742796201.

It is a balanced prime because it is at equal distance from previous prime (102697241) and next prime (102697253).

It is a cyclic number.

It is not a de Polignac number, because 102697247 - 2⁶ = 102697183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102697247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102697241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51348623 + 51348624.

It is an arithmetic number, because the mean of its divisors is an integer number (51348624).

Almost surely, 2^102697247 is an apocalyptic number.

102697247 is a deficient number, since it is larger than the sum of its proper divisors (1).

102697247 is an equidigital number, since it uses as much as digits as its factorization.

102697247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 102697247 is about 10133.9650186884. The cubic root of 102697247 is about 468.2950859571.

The spelling of 102697247 in words is "one hundred two million, six hundred ninety-seven thousand, two hundred forty-seven".