110857 has 4 divisors (see below), whose sum is σ = 117396. Its totient is φ = 104320.

The previous prime is 110849. The next prime is 110863. The reversal of 110857 is 758011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758011 = 23 ⋅32957.

It can be written as a sum of positive squares in 2 ways, for example, as 95481 + 15376 = 309^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 110857 - 2³ = 110849 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3244 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (29349).

2¹¹⁰⁸⁵⁷ is an apocalyptic number.

110857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

110857 is a deficient number, since it is larger than the sum of its proper divisors (6539).

110857 is an equidigital number, since it uses as much as digits as its factorization.

110857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538.

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

The square root of 110857 is about 332.9519484851. The cubic root of 110857 is about 48.0383085384.

Adding to 110857 its reverse (758011), we get a palindrome (868868).

The spelling of 110857 in words is "one hundred ten thousand, eight hundred fifty-seven".