2115103 has 4 divisors (see below), whose sum is σ = 2207088. Its totient is φ = 2023120.

The previous prime is 2115101. The next prime is 2115107. The reversal of 2115103 is 3015112.

2115103 is nontrivially palindromic in base 11.

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

It is a cyclic number.

It is not a de Polignac number, because 2115103 - 2¹ = 2115101 is a prime.

It is a Duffinian number.

2115103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115101) 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, 45958 + ... + 46003.

It is an arithmetic number, because the mean of its divisors is an integer number (551772).

2^2115103 is an apocalyptic number.

2115103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2115103 is a deficient number, since it is larger than the sum of its proper divisors (91985).

2115103 is an equidigital number, since it uses as much as digits as its factorization.

2115103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91984.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2115103 is about 1454.3393689232. The cubic root of 2115103 is about 128.3641769159.

Subtracting 2115103 from its reverse (3015112), we obtain a palindrome (900009).

The spelling of 2115103 in words is "two million, one hundred fifteen thousand, one hundred three".