2109103 has 2 divisors, whose sum is σ = 2109104. Its totient is φ = 2109102.

The previous prime is 2109101. The next prime is 2109109. The reversal of 2109103 is 3019012.

2109103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2109103 - 2¹ = 2109101 is a prime.

Together with 2109101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2109101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054551 + 1054552.

It is an arithmetic number, because the mean of its divisors is an integer number (1054552).

2^2109103 is an apocalyptic number.

2109103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109103 is an equidigital number, since it uses as much as digits as its factorization.

2109103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2109103 is about 1452.2751116782. The cubic root of 2109103 is about 128.2426833080.

Subtracting 2109103 from its reverse (3019012), we obtain a palindrome (909909).

The spelling of 2109103 in words is "two million, one hundred nine thousand, one hundred three".