1121223227 has 2 divisors, whose sum is σ = 1121223228. Its totient is φ = 1121223226.

The previous prime is 1121223223. The next prime is 1121223239. The reversal of 1121223227 is 7223221211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121223227 - 2² = 1121223223 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121223223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611613 + 560611614.

It is an arithmetic number, because the mean of its divisors is an integer number (560611614).

Almost surely, 2^1121223227 is an apocalyptic number.

1121223227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121223227 is an equidigital number, since it uses as much as digits as its factorization.

1121223227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 1121223227 is about 33484.6715229521. The cubic root of 1121223227 is about 1038.8767541827.

Adding to 1121223227 its reverse (7223221211), we get a palindrome (8344444438).

The spelling of 1121223227 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred twenty-seven".