109372903 has 4 divisors (see below), whose sum is σ = 109945728. Its totient is φ = 108800080.

The previous prime is 109372897. The next prime is 109372909. The reversal of 109372903 is 309273901.

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

It is an interprime number because it is at equal distance from previous prime (109372897) and next prime (109372909).

It is a cyclic number.

It is not a de Polignac number, because 109372903 - 2⁹ = 109372391 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 (109372909) 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, 286126 + ... + 286507.

It is an arithmetic number, because the mean of its divisors is an integer number (27486432).

Almost surely, 2^109372903 is an apocalyptic number.

109372903 is a deficient number, since it is larger than the sum of its proper divisors (572825).

109372903 is an equidigital number, since it uses as much as digits as its factorization.

109372903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572824.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 109372903 is about 10458.1500754196. The cubic root of 109372903 is about 478.2297393561.

The spelling of 109372903 in words is "one hundred nine million, three hundred seventy-two thousand, nine hundred three".