2124402103 has 4 divisors (see below), whose sum is σ = 2236212760. Its totient is φ = 2012591448.

The previous prime is 2124402041. The next prime is 2124402149. The reversal of 2124402103 is 3012044212.

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 2124402103 - 2¹⁷ = 2124271031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 111810637 = 2124402103 / (2 + 1 + 2 + 4 + 4 + 0 + 2 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124402173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55905300 + ... + 55905337.

It is an arithmetic number, because the mean of its divisors is an integer number (559053190).

Almost surely, 2^2124402103 is an apocalyptic number.

2124402103 is a deficient number, since it is larger than the sum of its proper divisors (111810657).

2124402103 is a wasteful number, since it uses less digits than its factorization.

2124402103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111810656.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2124402103 is about 46091.2367267358. The cubic root of 2124402103 is about 1285.5202066423.

Adding to 2124402103 its reverse (3012044212), we get a palindrome (5136446315).

The spelling of 2124402103 in words is "two billion, one hundred twenty-four million, four hundred two thousand, one hundred three".