2124747 has 12 divisors (see below), whose sum is σ = 3083080. Its totient is φ = 1410048.

The previous prime is 2124679. The next prime is 2124757. The reversal of 2124747 is 7474212.

It is a happy number.

2124747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2124747 - 2⁸ = 2124491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124747.

It is not an unprimeable number, because it can be changed into a prime (2124757) 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 in 11 ways as a sum of consecutive naturals, for example, 2379 + ... + 3147.

2^2124747 is an apocalyptic number.

2124747 is a deficient number, since it is larger than the sum of its proper divisors (958333).

2124747 is a wasteful number, since it uses less digits than its factorization.

2124747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1079 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 2124747 is about 1457.6511928442. The cubic root of 2124747 is about 128.5589771011.

Adding to 2124747 its reverse (7474212), we get a palindrome (9598959).

The spelling of 2124747 in words is "two million, one hundred twenty-four thousand, seven hundred forty-seven".