1331227 has 2 divisors, whose sum is σ = 1331228. Its totient is φ = 1331226.

The previous prime is 1331207. The next prime is 1331243. The reversal of 1331227 is 7221331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331207) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665613 + 665614.

It is an arithmetic number, because the mean of its divisors is an integer number (665614).

2^1331227 is an apocalyptic number.

1331227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331227 is an equidigital number, since it uses as much as digits as its factorization.

1331227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 1331227 is about 1153.7881087964. The cubic root of 1331227 is about 110.0062530881.

Adding to 1331227 its reverse (7221331), we get a palindrome (8552558).

The spelling of 1331227 in words is "one million, three hundred thirty-one thousand, two hundred twenty-seven".