4123125 has 30 divisors (see below), whose sum is σ = 7452302. Its totient is φ = 2196000.

The previous prime is 4123121. The next prime is 4123127. The reversal of 4123125 is 5213214.

It can be written as a sum of positive squares in 5 ways, for example, as 505521 + 3617604 = 711^2 + 1902^2 .

It is not a de Polignac number, because 4123125 - 2² = 4123121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4123098 and 4123107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123121) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5259 + ... + 5991.

Almost surely, 2^4123125 is an apocalyptic number.

4123125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4123125 is a deficient number, since it is larger than the sum of its proper divisors (3329177).

4123125 is an equidigital number, since it uses as much as digits as its factorization.

4123125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 741 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4123125 is about 2030.5479556021. The cubic root of 4123125 is about 160.3524133146.

Adding to 4123125 its reverse (5213214), we get a palindrome (9336339).

The spelling of 4123125 in words is "four million, one hundred twenty-three thousand, one hundred twenty-five".