109169105 has 4 divisors (see below), whose sum is σ = 131002932. Its totient is φ = 87335280.

The previous prime is 109169083. The next prime is 109169111. The reversal of 109169105 is 501961901.

It is a happy number.

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 80856064 + 28313041 = 8992^2 + 5321^2 .

It is not a de Polignac number, because 109169105 - 2¹⁴ = 109152721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10916906 + ... + 10916915.

It is an arithmetic number, because the mean of its divisors is an integer number (32750733).

Almost surely, 2^109169105 is an apocalyptic number.

It is an amenable number.

109169105 is a deficient number, since it is larger than the sum of its proper divisors (21833827).

109169105 is an equidigital number, since it uses as much as digits as its factorization.

109169105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21833826.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 109169105 is about 10448.4020309328. The cubic root of 109169105 is about 477.9325211258.

The spelling of 109169105 in words is "one hundred nine million, one hundred sixty-nine thousand, one hundred five".