102866369 has 2 divisors, whose sum is σ = 102866370. Its totient is φ = 102866368.

The previous prime is 102866353. The next prime is 102866383. The reversal of 102866369 is 963668201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84419344 + 18447025 = 9188^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 102866369 - 2⁴ = 102866353 is a prime.

It is a super-2 number, since 2×102866369² = 21162979742488322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102866329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51433184 + 51433185.

It is an arithmetic number, because the mean of its divisors is an integer number (51433185).

Almost surely, 2^102866369 is an apocalyptic number.

It is an amenable number.

102866369 is a deficient number, since it is larger than the sum of its proper divisors (1).

102866369 is an equidigital number, since it uses as much as digits as its factorization.

102866369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 102866369 is about 10142.3059015196. The cubic root of 102866369 is about 468.5520080219.

The spelling of 102866369 in words is "one hundred two million, eight hundred sixty-six thousand, three hundred sixty-nine".