1130231227 has 2 divisors, whose sum is σ = 1130231228. Its totient is φ = 1130231226.

The previous prime is 1130231177. The next prime is 1130231233. The reversal of 1130231227 is 7221320311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130231227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130231198 and 1130231207.

It is not a weakly prime, because it can be changed into another prime (1130231237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565115613 + 565115614.

It is an arithmetic number, because the mean of its divisors is an integer number (565115614).

Almost surely, 2^1130231227 is an apocalyptic number.

1130231227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130231227 is an equidigital number, since it uses as much as digits as its factorization.

1130231227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1130231227 is about 33618.9117462181. The cubic root of 1130231227 is about 1041.6514771574.

Adding to 1130231227 its reverse (7221320311), we get a palindrome (8351551538).

The spelling of 1130231227 in words is "one billion, one hundred thirty million, two hundred thirty-one thousand, two hundred twenty-seven".