109409107 has 2 divisors, whose sum is σ = 109409108. Its totient is φ = 109409106.

The previous prime is 109409099. The next prime is 109409123. The reversal of 109409107 is 701904901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109409107 - 2³ = 109409099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109409207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54704553 + 54704554.

It is an arithmetic number, because the mean of its divisors is an integer number (54704554).

Almost surely, 2^109409107 is an apocalyptic number.

109409107 is a deficient number, since it is larger than the sum of its proper divisors (1).

109409107 is an equidigital number, since it uses as much as digits as its factorization.

109409107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 109409107 is about 10459.8808310611. The cubic root of 109409107 is about 478.2825005031.

The spelling of 109409107 in words is "one hundred nine million, four hundred nine thousand, one hundred seven".