4161125 has 8 divisors (see below), whose sum is σ = 5193240. Its totient is φ = 3328800.

The previous prime is 4161119. The next prime is 4161149. The reversal of 4161125 is 5211614.

It can be written as a sum of positive squares in 4 ways, for example, as 1014049 + 3147076 = 1007^2 + 1774^2 .

It is not a de Polignac number, because 4161125 - 2⁴ = 4161109 is a prime.

It is a super-2 number, since 2×4161125² = 34629922531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4161097 and 4161106.

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, 16520 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (649155).

Almost surely, 2^4161125 is an apocalyptic number.

It is an amenable number.

4161125 is a deficient number, since it is larger than the sum of its proper divisors (1032115).

4161125 is an equidigital number, since it uses as much as digits as its factorization.

4161125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33304 (or 33294 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 4161125 is about 2039.8835751091. The cubic root of 4161125 is about 160.8435268461.

Adding to 4161125 its reverse (5211614), we get a palindrome (9372739).

The spelling of 4161125 in words is "four million, one hundred sixty-one thousand, one hundred twenty-five".