102007609 has 4 divisors (see below), whose sum is σ = 111281040. Its totient is φ = 92734180.

The previous prime is 102007603. The next prime is 102007613. The reversal of 102007609 is 906700201.

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 not a de Polignac number, because 102007609 - 2³ = 102007601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102007601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636699 + ... + 4636720.

It is an arithmetic number, because the mean of its divisors is an integer number (27820260).

Almost surely, 2^102007609 is an apocalyptic number.

It is an amenable number.

102007609 is a deficient number, since it is larger than the sum of its proper divisors (9273431).

102007609 is an equidigital number, since it uses as much as digits as its factorization.

102007609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273430.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 102007609 is about 10099.8816329698. The cubic root of 102007609 is about 467.2444907654.

The spelling of 102007609 in words is "one hundred two million, seven thousand, six hundred nine".