1133145227 has 2 divisors, whose sum is σ = 1133145228. Its totient is φ = 1133145226.

The previous prime is 1133145157. The next prime is 1133145253. The reversal of 1133145227 is 7225413311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1133145227 - 2¹² = 1133141131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1133145227.

It is not a weakly prime, because it can be changed into another prime (1133145527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566572613 + 566572614.

It is an arithmetic number, because the mean of its divisors is an integer number (566572614).

Almost surely, 2^1133145227 is an apocalyptic number.

1133145227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133145227 is an equidigital number, since it uses as much as digits as its factorization.

1133145227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 1133145227 is about 33662.2225499149. Note that the first 3 decimals coincide. The cubic root of 1133145227 is about 1042.5459158141.

Adding to 1133145227 its reverse (7225413311), we get a palindrome (8358558538).

The spelling of 1133145227 in words is "one billion, one hundred thirty-three million, one hundred forty-five thousand, two hundred twenty-seven".