2124654129 has 24 divisors (see below), whose sum is σ = 3375345792. Its totient is φ = 1279657440.

The previous prime is 2124654121. The next prime is 2124654139. The reversal of 2124654129 is 9214564212.

It is a happy number.

It is not a de Polignac number, because 2124654129 - 2³ = 2124654121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2124654093 and 2124654102.

It is not an unprimeable number, because it can be changed into a prime (2124654121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187687 + ... + 198684.

It is an arithmetic number, because the mean of its divisors is an integer number (140639408).

Almost surely, 2^2124654129 is an apocalyptic number.

It is an amenable number.

2124654129 is a deficient number, since it is larger than the sum of its proper divisors (1250691663).

2124654129 is a wasteful number, since it uses less digits than its factorization.

2124654129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386437 (or 386434 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2124654129 is about 46093.9706360821. The cubic root of 2124654129 is about 1285.5710400358.

The spelling of 2124654129 in words is "two billion, one hundred twenty-four million, six hundred fifty-four thousand, one hundred twenty-nine".