4123725 has 12 divisors (see below), whose sum is σ = 6818016. Its totient is φ = 2199280.

The previous prime is 4123681. The next prime is 4123727. The reversal of 4123725 is 5273214.

It is not a de Polignac number, because 4123725 - 2¹⁸ = 3861581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4123695 and 4123704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27417 + ... + 27566.

It is an arithmetic number, because the mean of its divisors is an integer number (568168).

Almost surely, 2^4123725 is an apocalyptic number.

It is an amenable number.

4123725 is a deficient number, since it is larger than the sum of its proper divisors (2694291).

4123725 is a wasteful number, since it uses less digits than its factorization.

4123725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54996 (or 54991 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 4123725 is about 2030.6956935986. The cubic root of 4123725 is about 160.3601911354.

Adding to 4123725 its reverse (5273214), we get a palindrome (9396939).

The spelling of 4123725 in words is "four million, one hundred twenty-three thousand, seven hundred twenty-five".