10102685 has 4 divisors (see below), whose sum is σ = 12123228. Its totient is φ = 8082144.

The previous prime is 10102679. The next prime is 10102691. The reversal of 10102685 is 58620101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10102679) and next prime (10102691).

It can be written as a sum of positive squares in 2 ways, for example, as 7873636 + 2229049 = 2806^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102685 - 2⁸ = 10102429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102685.

It is a congruent number.

It is an unprimeable number.

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, 1010264 + ... + 1010273.

It is an arithmetic number, because the mean of its divisors is an integer number (3030807).

Almost surely, 2^10102685 is an apocalyptic number.

It is an amenable number.

10102685 is a deficient number, since it is larger than the sum of its proper divisors (2020543).

10102685 is an equidigital number, since it uses as much as digits as its factorization.

10102685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020542.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 10102685 is about 3178.4721172287. The cubic root of 10102685 is about 216.1783863017.

Adding to 10102685 its reverse (58620101), we get a palindrome (68722786).

The spelling of 10102685 in words is "ten million, one hundred two thousand, six hundred eighty-five".