4172125 has 8 divisors (see below), whose sum is σ = 5206968. Its totient is φ = 3337600.

The previous prime is 4172117. The next prime is 4172141. The reversal of 4172125 is 5212714.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 4137156 = 187^2 + 2034^2 .

It is not a de Polignac number, because 4172125 - 2³ = 4172117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4172096 and 4172105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16564 + ... + 16813.

It is an arithmetic number, because the mean of its divisors is an integer number (650871).

Almost surely, 2^4172125 is an apocalyptic number.

It is an amenable number.

4172125 is a deficient number, since it is larger than the sum of its proper divisors (1034843).

4172125 is an equidigital number, since it uses as much as digits as its factorization.

4172125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33392 (or 33382 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 4172125 is about 2042.5780278853. The cubic root of 4172125 is about 160.9851329456.

Adding to 4172125 its reverse (5212714), we get a palindrome (9384839).

The spelling of 4172125 in words is "four million, one hundred seventy-two thousand, one hundred twenty-five".