8109105 has 32 divisors (see below), whose sum is σ = 14044800. Its totient is φ = 3981312.

The previous prime is 8109097. The next prime is 8109107. The reversal of 8109105 is 5019018.

It is not a de Polignac number, because 8109105 - 2³ = 8109097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8109107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10161 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 2^8109105 is an apocalyptic number.

It is an amenable number.

8109105 is a deficient number, since it is larger than the sum of its proper divisors (5935695).

8109105 is a wasteful number, since it uses less digits than its factorization.

8109105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 8109105 is about 2847.6490303406. The cubic root of 8109105 is about 200.9051060694.

The spelling of 8109105 in words is "eight million, one hundred nine thousand, one hundred five".