2124122451 has 24 divisors (see below), whose sum is σ = 3115998480. Its totient is φ = 1286123520.

The previous prime is 2124122447. The next prime is 2124122459. The reversal of 2124122451 is 1542214212.

It is not a de Polignac number, because 2124122451 - 2² = 2124122447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2124122459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509391 + ... + 513543.

It is an arithmetic number, because the mean of its divisors is an integer number (129833270).

Almost surely, 2^2124122451 is an apocalyptic number.

2124122451 is a deficient number, since it is larger than the sum of its proper divisors (991876029).

2124122451 is a wasteful number, since it uses less digits than its factorization.

2124122451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587 (or 5576 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 2124122451 is about 46088.2029482600. The cubic root of 2124122451 is about 1285.4637964062.

Adding to 2124122451 its reverse (1542214212), we get a palindrome (3666336663).

The spelling of 2124122451 in words is "two billion, one hundred twenty-four million, one hundred twenty-two thousand, four hundred fifty-one".