1130225 has 12 divisors (see below), whose sum is σ = 1429596. Its totient is φ = 886080.

The previous prime is 1130191. The next prime is 1130237. The reversal of 1130225 is 5220311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 97969 + 1032256 = 313^2 + 1016^2 .

It is not a de Polignac number, because 1130225 - 2¹⁶ = 1064689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (119133).

2^1130225 is an apocalyptic number.

It is an amenable number.

1130225 is a deficient number, since it is larger than the sum of its proper divisors (299371).

1130225 is an equidigital number, since it uses as much as digits as its factorization.

1130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1130225 is about 1063.1204071035. The cubic root of 1130225 is about 104.1649564164.

Adding to 1130225 its reverse (5220311), we get a palindrome (6350536).

The spelling of 1130225 in words is "one million, one hundred thirty thousand, two hundred twenty-five".