4200125 has 8 divisors (see below), whose sum is σ = 5241912. Its totient is φ = 3360000.

The previous prime is 4200113. The next prime is 4200127. The reversal of 4200125 is 5210024.

It can be written as a sum of positive squares in 4 ways, for example, as 1196836 + 3003289 = 1094^2 + 1733^2 .

It is not a de Polignac number, because 4200125 - 2⁴ = 4200109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16676 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (655239).

Almost surely, 2^4200125 is an apocalyptic number.

It is an amenable number.

4200125 is a deficient number, since it is larger than the sum of its proper divisors (1041787).

4200125 is an equidigital number, since it uses as much as digits as its factorization.

4200125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33616 (or 33606 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4200125 is about 2049.4206498423. The cubic root of 4200125 is about 161.3444652102.

Adding to 4200125 its reverse (5210024), we get a palindrome (9410149).

The spelling of 4200125 in words is "four million, two hundred thousand, one hundred twenty-five".