110820491 has 4 divisors (see below), whose sum is σ = 111526512. Its totient is φ = 110114472.

The previous prime is 110820487. The next prime is 110820517. The reversal of 110820491 is 194028011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110820491 - 2² = 110820487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110820491.

It is not an unprimeable number, because it can be changed into a prime (110820431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352775 + ... + 353088.

It is an arithmetic number, because the mean of its divisors is an integer number (27881628).

Almost surely, 2^110820491 is an apocalyptic number.

110820491 is a deficient number, since it is larger than the sum of its proper divisors (706021).

110820491 is an equidigital number, since it uses as much as digits as its factorization.

110820491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706020.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 110820491 is about 10527.1311856555. The cubic root of 110820491 is about 480.3303440694.

The spelling of 110820491 in words is "one hundred ten million, eight hundred twenty thousand, four hundred ninety-one".