102315907 has 2 divisors, whose sum is σ = 102315908. Its totient is φ = 102315906.

The previous prime is 102315821. The next prime is 102316001. The reversal of 102315907 is 709513201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102315907 - 2¹⁹ = 101791619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102315007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51157953 + 51157954.

It is an arithmetic number, because the mean of its divisors is an integer number (51157954).

Almost surely, 2^102315907 is an apocalyptic number.

102315907 is a deficient number, since it is larger than the sum of its proper divisors (1).

102315907 is an equidigital number, since it uses as much as digits as its factorization.

102315907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 102315907 is about 10115.1325745143. The cubic root of 102315907 is about 467.7147356327.

The spelling of 102315907 in words is "one hundred two million, three hundred fifteen thousand, nine hundred seven".