10102865 has 16 divisors (see below), whose sum is σ = 12873600. Its totient is φ = 7594752.

The previous prime is 10102861. The next prime is 10102867. The reversal of 10102865 is 56820101.

It is a cyclic number.

It is not a de Polignac number, because 10102865 - 2² = 10102861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 10102865.

It is not an unprimeable number, because it can be changed into a prime (10102861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6041 + ... + 7529.

It is an arithmetic number, because the mean of its divisors is an integer number (804600).

Almost surely, 2^10102865 is an apocalyptic number.

It is an amenable number.

10102865 is a deficient number, since it is larger than the sum of its proper divisors (2770735).

10102865 is a wasteful number, since it uses less digits than its factorization.

10102865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

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

The square root of 10102865 is about 3178.5004325940. The cubic root of 10102865 is about 216.1796701808.

Adding to 10102865 its reverse (56820101), we get a palindrome (66922966).

The spelling of 10102865 in words is "ten million, one hundred two thousand, eight hundred sixty-five".