109103605 has 48 divisors (see below), whose sum is σ = 156078720. Its totient is φ = 72572544.

The previous prime is 109103581. The next prime is 109103609. The reversal of 109103605 is 506301901.

It is not a de Polignac number, because 109103605 - 2⁵ = 109103573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109103605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109103609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 653232 + ... + 653398.

It is an arithmetic number, because the mean of its divisors is an integer number (3251640).

Almost surely, 2^109103605 is an apocalyptic number.

It is an amenable number.

109103605 is a deficient number, since it is larger than the sum of its proper divisors (46975115).

109103605 is a wasteful number, since it uses less digits than its factorization.

109103605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 109103605 is about 10445.2671100360. The cubic root of 109103605 is about 477.8369176337.

The spelling of 109103605 in words is "one hundred nine million, one hundred three thousand, six hundred five".