1152225 has 30 divisors (see below), whose sum is σ = 2138070. Its totient is φ = 613440.

The previous prime is 1152187. The next prime is 1152227. The reversal of 1152225 is 5222511.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 1147041 = 72^2 + 1071^2 .

It is not a de Polignac number, because 1152225 - 2⁶ = 1152161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1152198 and 1152207.

It is not an unprimeable number, because it can be changed into a prime (1152227) 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, 1741 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (71269).

2^1152225 is an apocalyptic number.

1152225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152225 is a deficient number, since it is larger than the sum of its proper divisors (985845).

1152225 is an equidigital number, since it uses as much as digits as its factorization.

1152225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 577 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 1152225 is about 1073.4174397689. The cubic root of 1152225 is about 104.8364801715.

Adding to 1152225 its reverse (5222511), we get a palindrome (6374736).

It can be divided in two parts, 11 and 52225, that multiplied together give a palindrome (574475).

The spelling of 1152225 in words is "one million, one hundred fifty-two thousand, two hundred twenty-five".