9181125 has 24 divisors (see below), whose sum is σ = 16552536. Its totient is φ = 4896000.

The previous prime is 9181103. The next prime is 9181127. The reversal of 9181125 is 5211819.

It can be written as a sum of positive squares in 4 ways, for example, as 695556 + 8485569 = 834^2 + 2913^2 .

It is not a de Polignac number, because 9181125 - 2⁵ = 9181093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9181127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2956 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (689689).

Almost surely, 2^9181125 is an apocalyptic number.

It is an amenable number.

9181125 is a deficient number, since it is larger than the sum of its proper divisors (7371411).

9181125 is a wasteful number, since it uses less digits than its factorization.

9181125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182 (or 8169 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 9181125 is about 3030.0371284854. The cubic root of 9181125 is about 209.3945144060.

The spelling of 9181125 in words is "nine million, one hundred eighty-one thousand, one hundred twenty-five".