1143000227 has 2 divisors, whose sum is σ = 1143000228. Its totient is φ = 1143000226.

The previous prime is 1143000217. The next prime is 1143000247. The reversal of 1143000227 is 7220003411.

It is an a-pointer prime, because the next prime (1143000247) can be obtained adding 1143000227 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143000227 - 2⁸ = 1142999971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143000199 and 1143000208.

It is not a weakly prime, because it can be changed into another prime (1143000217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571500113 + 571500114.

It is an arithmetic number, because the mean of its divisors is an integer number (571500114).

Almost surely, 2^1143000227 is an apocalyptic number.

1143000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143000227 is an equidigital number, since it uses as much as digits as its factorization.

1143000227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1143000227 is about 33808.2863659192. The cubic root of 1143000227 is about 1045.5595477137.

Adding to 1143000227 its reverse (7220003411), we get a palindrome (8363003638).

The spelling of 1143000227 in words is "one billion, one hundred forty-three million, two hundred twenty-seven", and thus it is an aban number.