102698009 has 8 divisors (see below), whose sum is σ = 106302720. Its totient is φ = 99111600.

The previous prime is 102697999. The next prime is 102698017. The reversal of 102698009 is 900896201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102698009 - 2⁴ = 102697993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102698009.

It is not an unprimeable number, because it can be changed into a prime (102698209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7379 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (13287840).

Almost surely, 2^102698009 is an apocalyptic number.

It is an amenable number.

102698009 is a deficient number, since it is larger than the sum of its proper divisors (3604711).

102698009 is an equidigital number, since it uses as much as digits as its factorization.

102698009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 102698009 is about 10134.0026149592. The cubic root of 102698009 is about 468.2962441834.

The spelling of 102698009 in words is "one hundred two million, six hundred ninety-eight thousand, nine".