105309179 has 6 divisors (see below), whose sum is σ = 109066620. Its totient is φ = 101677016.

The previous prime is 105309173. The next prime is 105309199. The reversal of 105309179 is 971903501.

It is a de Polignac number, because none of the positive numbers 2^k-105309179 is a prime.

It is a super-2 number, since 2×105309179² = 22180046363308082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105309173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61769 + ... + 63450.

It is an arithmetic number, because the mean of its divisors is an integer number (18177770).

Almost surely, 2^105309179 is an apocalyptic number.

105309179 is a deficient number, since it is larger than the sum of its proper divisors (3757441).

105309179 is an equidigital number, since it uses as much as digits as its factorization.

105309179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125277 (or 125248 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 105309179 is about 10262.0260670104. The cubic root of 105309179 is about 472.2319956783.

The spelling of 105309179 in words is "one hundred five million, three hundred nine thousand, one hundred seventy-nine".