109080909 has 72 divisors (see below), whose sum is σ = 193489920. Its totient is φ = 58968000.

The previous prime is 109080887. The next prime is 109080929. The reversal of 109080909 is 909080901.

It is not a de Polignac number, because 109080909 - 2⁵ = 109080877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109080929) 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 71 ways as a sum of consecutive naturals, for example, 1079959 + ... + 1080059.

It is an arithmetic number, because the mean of its divisors is an integer number (2687360).

Almost surely, 2^109080909 is an apocalyptic number.

It is an amenable number.

109080909 is a deficient number, since it is larger than the sum of its proper divisors (84409011).

109080909 is a wasteful number, since it uses less digits than its factorization.

109080909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 109080909 is about 10444.1806284648. The cubic root of 109080909 is about 477.8037817327.

The spelling of 109080909 in words is "one hundred nine million, eighty thousand, nine hundred nine".