102685918 has 8 divisors (see below), whose sum is σ = 162135720. Its totient is φ = 48640680.

The previous prime is 102685909. The next prime is 102685927. The reversal of 102685918 is 819586201.

It is an interprime number because it is at equal distance from previous prime (102685909) and next prime (102685927).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351093 + ... + 1351168.

It is an arithmetic number, because the mean of its divisors is an integer number (20266965).

Almost surely, 2^102685918 is an apocalyptic number.

102685918 is a deficient number, since it is larger than the sum of its proper divisors (59449802).

102685918 is a wasteful number, since it uses less digits than its factorization.

102685918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702282.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 102685918 is about 10133.4060414058. The cubic root of 102685918 is about 468.2778654042.

The spelling of 102685918 in words is "one hundred two million, six hundred eighty-five thousand, nine hundred eighteen".