102716609 has 4 divisors (see below), whose sum is σ = 106030080. Its totient is φ = 99403140.

The previous prime is 102716599. The next prime is 102716639. The reversal of 102716609 is 906617201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102716609 - 2²⁴ = 85939393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102716639) 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 in 3 ways as a sum of consecutive naturals, for example, 1656689 + ... + 1656750.

It is an arithmetic number, because the mean of its divisors is an integer number (26507520).

Almost surely, 2^102716609 is an apocalyptic number.

It is an amenable number.

102716609 is a deficient number, since it is larger than the sum of its proper divisors (3313471).

102716609 is an equidigital number, since it uses as much as digits as its factorization.

102716609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313470.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 102716609 is about 10134.9202759568. The cubic root of 102716609 is about 468.3245140737.

The spelling of 102716609 in words is "one hundred two million, seven hundred sixteen thousand, six hundred nine".