108972903 has 16 divisors (see below), whose sum is σ = 156869216. Its totient is φ = 66890880.

The previous prime is 108972869. The next prime is 108972937. The reversal of 108972903 is 309279801.

It is an interprime number because it is at equal distance from previous prime (108972869) and next prime (108972937).

It is not a de Polignac number, because 108972903 - 2¹³ = 108964711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108972103) 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, 13101 + ... + 19737.

It is an arithmetic number, because the mean of its divisors is an integer number (9804326).

Almost surely, 2^108972903 is an apocalyptic number.

108972903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

108972903 is a deficient number, since it is larger than the sum of its proper divisors (47896313).

108972903 is a wasteful number, since it uses less digits than its factorization.

108972903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 108972903 is about 10439.0087173064. The cubic root of 108972903 is about 477.6460311924.

The spelling of 108972903 in words is "one hundred eight million, nine hundred seventy-two thousand, nine hundred three".