2124517 has 2 divisors, whose sum is σ = 2124518. Its totient is φ = 2124516.

The previous prime is 2124509. The next prime is 2124553. The reversal of 2124517 is 7154212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 872356 = 1119^2 + 934^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124517 - 2³ = 2124509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062258 + 1062259.

It is an arithmetic number, because the mean of its divisors is an integer number (1062259).

2^2124517 is an apocalyptic number.

It is an amenable number.

2124517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124517 is an equidigital number, since it uses as much as digits as its factorization.

2124517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 22.

The square root of 2124517 is about 1457.5722966632. The cubic root of 2124517 is about 128.5543381752.

Adding to 2124517 its reverse (7154212), we get a palindrome (9278729).

The spelling of 2124517 in words is "two million, one hundred twenty-four thousand, five hundred seventeen".