8105117 has 4 divisors (see below), whose sum is σ = 8216220. Its totient is φ = 7994016.

The previous prime is 8105099. The next prime is 8105129. The reversal of 8105117 is 7115018.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2292196 + 5812921 = 1514^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 8105117 - 2⁸ = 8104861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8105092 and 8105101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55442 + ... + 55587.

It is an arithmetic number, because the mean of its divisors is an integer number (2054055).

Almost surely, 2^8105117 is an apocalyptic number.

It is an amenable number.

8105117 is a deficient number, since it is larger than the sum of its proper divisors (111103).

8105117 is a wasteful number, since it uses less digits than its factorization.

8105117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111102.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 8105117 is about 2846.9487174868. The cubic root of 8105117 is about 200.8721661028.

Subtracting from 8105117 its reverse (7115018), we obtain a palindrome (990099).

The spelling of 8105117 in words is "eight million, one hundred five thousand, one hundred seventeen".