109008601 has 4 divisors (see below), whose sum is σ = 117393892. Its totient is φ = 100623312.

The previous prime is 109008589. The next prime is 109008629. The reversal of 109008601 is 106800901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24000201 + 85008400 = 4899^2 + 9220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109008601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109008101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192626 + ... + 4192651.

It is an arithmetic number, because the mean of its divisors is an integer number (29348473).

Almost surely, 2^109008601 is an apocalyptic number.

It is an amenable number.

109008601 is a deficient number, since it is larger than the sum of its proper divisors (8385291).

109008601 is an equidigital number, since it uses as much as digits as its factorization.

109008601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385290.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 109008601 is about 10440.7184139790. The cubic root of 109008601 is about 477.6981822195.

The spelling of 109008601 in words is "one hundred nine million, eight thousand, six hundred one".