2124400003 has 4 divisors (see below), whose sum is σ = 2317527288. Its totient is φ = 1931272720.

The previous prime is 2124399997. The next prime is 2124400039. The reversal of 2124400003 is 3000044212.

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 2124400003 - 2¹⁷ = 2124268931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124400003.

It is not an unprimeable number, because it can be changed into a prime (2124400093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96563626 + ... + 96563647.

It is an arithmetic number, because the mean of its divisors is an integer number (579381822).

Almost surely, 2^2124400003 is an apocalyptic number.

2124400003 is a deficient number, since it is larger than the sum of its proper divisors (193127285).

2124400003 is a wasteful number, since it uses less digits than its factorization.

2124400003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193127284.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2124400003 is about 46091.2139458270. The cubic root of 2124400003 is about 1285.5197830575.

Adding to 2124400003 its reverse (3000044212), we get a palindrome (5124444215).

The spelling of 2124400003 in words is "two billion, one hundred twenty-four million, four hundred thousand, three".