109907 has 6 divisors (see below), whose sum is σ = 127908. Its totient is φ = 94164.

The previous prime is 109903. The next prime is 109913. The reversal of 109907 is 709901.

It is not a de Polignac number, because 109907 - 2² = 109903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1073 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (21318).

2¹⁰⁹⁹⁰⁷ is an apocalyptic number.

109907 is a deficient number, since it is larger than the sum of its proper divisors (18001).

109907 is an equidigital number, since it uses as much as digits as its factorization.

109907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 109907 is about 331.5222466140. The cubic root of 109907 is about 47.9006916711.

Multiplying 109907 by its sum of digits (26), we get a palindrome (2857582).

The spelling of 109907 in words is "one hundred nine thousand, nine hundred seven".