102662459 has 2 divisors, whose sum is σ = 102662460. Its totient is φ = 102662458.

The previous prime is 102662449. The next prime is 102662467. The reversal of 102662459 is 954266201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102662459 - 2¹² = 102658363 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102662449) 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, 51331229 + 51331230.

It is an arithmetic number, because the mean of its divisors is an integer number (51331230).

Almost surely, 2^102662459 is an apocalyptic number.

102662459 is a deficient number, since it is larger than the sum of its proper divisors (1).

102662459 is an equidigital number, since it uses as much as digits as its factorization.

102662459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 102662459 is about 10132.2484671469. The cubic root of 102662459 is about 468.2422027177.

The spelling of 102662459 in words is "one hundred two million, six hundred sixty-two thousand, four hundred fifty-nine".