110009 has 4 divisors (see below), whose sum is σ = 114816. Its totient is φ = 105204.

The previous prime is 109987. The next prime is 110017. The reversal of 110009 is 900011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110009 - 2¹² = 105913 is a prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (110039) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2369 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (28704).

2¹¹⁰⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

110009 is a deficient number, since it is larger than the sum of its proper divisors (4807).

110009 is an equidigital number, since it uses as much as digits as its factorization.

110009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 110009 is about 331.6760467685. The cubic root of 110009 is about 47.9155052859.

The spelling of 110009 in words is "one hundred ten thousand, nine".