2124725 has 12 divisors (see below), whose sum is σ = 2707044. Its totient is φ = 1653120.

The previous prime is 2124679. The next prime is 2124757. The reversal of 2124725 is 5274212.

It is a happy number.

2124725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 10609 + 2114116 = 103^2 + 1454^2 .

It is not a de Polignac number, because 2124725 - 2⁸ = 2124469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124725.

It is a congruent number.

It is an unprimeable number.

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, 224 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (225587).

2^2124725 is an apocalyptic number.

2124725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2124725 is a deficient number, since it is larger than the sum of its proper divisors (582319).

2124725 is a wasteful number, since it uses less digits than its factorization.

2124725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2339 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 2124725 is about 1457.6436464376. The cubic root of 2124725 is about 128.5585333922.

Adding to 2124725 its reverse (5274212), we get a palindrome (7398937).

The spelling of 2124725 in words is "two million, one hundred twenty-four thousand, seven hundred twenty-five".