102317899 has 2 divisors, whose sum is σ = 102317900. Its totient is φ = 102317898.

The previous prime is 102317893. The next prime is 102317903. The reversal of 102317899 is 998713201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102317899 - 2⁵ = 102317867 is a prime.

It is equal to p_5887309 and since 102317899 and 5887309 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (102317893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51158949 + 51158950.

It is an arithmetic number, because the mean of its divisors is an integer number (51158950).

Almost surely, 2^102317899 is an apocalyptic number.

102317899 is a deficient number, since it is larger than the sum of its proper divisors (1).

102317899 is an equidigital number, since it uses as much as digits as its factorization.

102317899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 102317899 is about 10115.2310403668. The cubic root of 102317899 is about 467.7177709434.

The spelling of 102317899 in words is "one hundred two million, three hundred seventeen thousand, eight hundred ninety-nine".