103870865 has 16 divisors (see below), whose sum is σ = 143839488. Its totient is φ = 70531776.

The previous prime is 103870847. The next prime is 103870873. The reversal of 103870865 is 568078301.

It is not a de Polignac number, because 103870865 - 2²² = 99676561 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10802 + ... + 18011.

It is an arithmetic number, because the mean of its divisors is an integer number (8989968).

Almost surely, 2^103870865 is an apocalyptic number.

It is an amenable number.

103870865 is a deficient number, since it is larger than the sum of its proper divisors (39968623).

103870865 is a wasteful number, since it uses less digits than its factorization.

103870865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28928.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 103870865 is about 10191.7056963003. The cubic root of 103870865 is about 470.0722161555.

The spelling of 103870865 in words is "one hundred three million, eight hundred seventy thousand, eight hundred sixty-five".