2124247 has 2 divisors, whose sum is σ = 2124248. Its totient is φ = 2124246.

The previous prime is 2124233. The next prime is 2124253. The reversal of 2124247 is 7424212.

It is a happy number.

2124247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062123 + 1062124.

It is an arithmetic number, because the mean of its divisors is an integer number (1062124).

2^2124247 is an apocalyptic number.

2124247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124247 is an equidigital number, since it uses as much as digits as its factorization.

2124247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 22.

The square root of 2124247 is about 1457.4796739578. The cubic root of 2124247 is about 128.5488920523.

Adding to 2124247 its reverse (7424212), we get a palindrome (9548459).

The spelling of 2124247 in words is "two million, one hundred twenty-four thousand, two hundred forty-seven".