1245227 has 2 divisors, whose sum is σ = 1245228. Its totient is φ = 1245226.

The previous prime is 1245217. The next prime is 1245281. The reversal of 1245227 is 7225421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1245227 - 2¹⁰ = 1244203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1245217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622613 + 622614.

It is an arithmetic number, because the mean of its divisors is an integer number (622614).

2^1245227 is an apocalyptic number.

1245227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245227 is an equidigital number, since it uses as much as digits as its factorization.

1245227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 23.

The square root of 1245227 is about 1115.8973967171. The cubic root of 1245227 is about 107.5844513954.

The spelling of 1245227 in words is "one million, two hundred forty-five thousand, two hundred twenty-seven".