109405601 has 4 divisors (see below), whose sum is σ = 109887792. Its totient is φ = 108923412.

The previous prime is 109405577. The next prime is 109405619. The reversal of 109405601 is 106504901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109405601 - 2¹⁰ = 109404577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109405651) 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, 240755 + ... + 241208.

It is an arithmetic number, because the mean of its divisors is an integer number (27471948).

Almost surely, 2^109405601 is an apocalyptic number.

It is an amenable number.

109405601 is a deficient number, since it is larger than the sum of its proper divisors (482191).

109405601 is an equidigital number, since it uses as much as digits as its factorization.

109405601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482190.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 109405601 is about 10459.7132369869. The cubic root of 109405601 is about 478.2773916159.

The spelling of 109405601 in words is "one hundred nine million, four hundred five thousand, six hundred one".