109232405 has 16 divisors (see below), whose sum is σ = 140120064. Its totient is φ = 81544320.

The previous prime is 109232381. The next prime is 109232407. The reversal of 109232405 is 504232901.

It is not a de Polignac number, because 109232405 - 2¹² = 109228309 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 (109232407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869 + ... + 16298.

It is an arithmetic number, because the mean of its divisors is an integer number (8757504).

Almost surely, 2^109232405 is an apocalyptic number.

It is an amenable number.

109232405 is a deficient number, since it is larger than the sum of its proper divisors (30887659).

109232405 is a wasteful number, since it uses less digits than its factorization.

109232405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23236.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 109232405 is about 10451.4307632974. The cubic root of 109232405 is about 478.0248771796.

The spelling of 109232405 in words is "one hundred nine million, two hundred thirty-two thousand, four hundred five".