109990103 has 2 divisors, whose sum is σ = 109990104. Its totient is φ = 109990102.

The previous prime is 109990043. The next prime is 109990123. The reversal of 109990103 is 301099901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109990103 - 2¹⁰ = 109989079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109990103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109990123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54995051 + 54995052.

It is an arithmetic number, because the mean of its divisors is an integer number (54995052).

Almost surely, 2^109990103 is an apocalyptic number.

109990103 is a deficient number, since it is larger than the sum of its proper divisors (1).

109990103 is an equidigital number, since it uses as much as digits as its factorization.

109990103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 109990103 is about 10487.6166501260. The cubic root of 109990103 is about 479.1276153716.

The spelling of 109990103 in words is "one hundred nine million, nine hundred ninety thousand, one hundred three".