2122544123 has 12 divisors (see below), whose sum is σ = 2470177080. Its totient is φ = 1818516672.

The previous prime is 2122544089. The next prime is 2122544153. The reversal of 2122544123 is 3214452212.

It is not a de Polignac number, because 2122544123 - 2¹⁴ = 2122527739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122544092 and 2122544101.

It is not an unprimeable number, because it can be changed into a prime (2122544153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119540 + ... + 136142.

It is an arithmetic number, because the mean of its divisors is an integer number (205848090).

Almost surely, 2^2122544123 is an apocalyptic number.

2122544123 is a deficient number, since it is larger than the sum of its proper divisors (347632957).

2122544123 is a wasteful number, since it uses less digits than its factorization.

2122544123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19226 (or 19219 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 2122544123 is about 46071.0768595656. The cubic root of 2122544123 is about 1285.1453297958.

Adding to 2122544123 its reverse (3214452212), we get a palindrome (5336996335).

The spelling of 2122544123 in words is "two billion, one hundred twenty-two million, five hundred forty-four thousand, one hundred twenty-three".