2105103 has 32 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1008000.

The previous prime is 2105071. The next prime is 2105111. The reversal of 2105103 is 3015012.

2105103 is nontrivially palindromic in base 9.

It is not a de Polignac number, because 2105103 - 2⁵ = 2105071 is a prime.

2105103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2653 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

2^2105103 is an apocalyptic number.

2105103 is a deficient number, since it is larger than the sum of its proper divisors (1668849).

2105103 is a wasteful number, since it uses less digits than its factorization.

2105103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2105103 is about 1450.8973085646. The cubic root of 2105103 is about 128.1615595056.

Subtracting 2105103 from its reverse (3015012), we obtain a palindrome (909909).

The spelling of 2105103 in words is "two million, one hundred five thousand, one hundred three".