105718 has 4 divisors (see below), whose sum is σ = 158580. Its totient is φ = 52858.

The previous prime is 105701. The next prime is 105727. The reversal of 105718 is 817501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 817501 = 31 ⋅26371.

It is a super-2 number, since 2×105718² = 22352591048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

105718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26428 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (39645).

2¹⁰⁵⁷¹⁸ is an apocalyptic number.

105718 is a deficient number, since it is larger than the sum of its proper divisors (52862).

105718 is an equidigital number, since it uses as much as digits as its factorization.

105718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52861.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 105718 is about 325.1430454431. The cubic root of 105718 is about 47.2842290912.

The spelling of 105718 in words is "one hundred five thousand, seven hundred eighteen".