109129603 has 4 divisors (see below), whose sum is σ = 119050488. Its totient is φ = 99208720.

The previous prime is 109129583. The next prime is 109129619. The reversal of 109129603 is 306921901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109129603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109129403) 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, 4960426 + ... + 4960447.

It is an arithmetic number, because the mean of its divisors is an integer number (29762622).

Almost surely, 2^109129603 is an apocalyptic number.

109129603 is a deficient number, since it is larger than the sum of its proper divisors (9920885).

109129603 is an equidigital number, since it uses as much as digits as its factorization.

109129603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920884.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 109129603 is about 10446.5115229918. The cubic root of 109129603 is about 477.8748687707.

The spelling of 109129603 in words is "one hundred nine million, one hundred twenty-nine thousand, six hundred three".