109012917 has 16 divisors (see below), whose sum is σ = 159100928. Its totient is φ = 65983680.

The previous prime is 109012913. The next prime is 109012927. The reversal of 109012917 is 719210901.

It is not a de Polignac number, because 109012917 - 2² = 109012913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109012913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20533 + ... + 25290.

It is an arithmetic number, because the mean of its divisors is an integer number (9943808).

Almost surely, 2^109012917 is an apocalyptic number.

It is an amenable number.

109012917 is a deficient number, since it is larger than the sum of its proper divisors (50088011).

109012917 is a wasteful number, since it uses less digits than its factorization.

109012917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45900.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 109012917 is about 10440.9251026909. The cubic root of 109012917 is about 477.7044866705.

The spelling of 109012917 in words is "one hundred nine million, twelve thousand, nine hundred seventeen".