1421227 has 2 divisors, whose sum is σ = 1421228. Its totient is φ = 1421226.

The previous prime is 1421221. The next prime is 1421243. The reversal of 1421227 is 7221241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421227 - 2⁷ = 1421099 is a prime.

It is a Chen prime.

1421227 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710613 + 710614.

It is an arithmetic number, because the mean of its divisors is an integer number (710614).

2^1421227 is an apocalyptic number.

1421227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421227 is an equidigital number, since it uses as much as digits as its factorization.

1421227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 19.

The square root of 1421227 is about 1192.1522553768. The cubic root of 1421227 is about 112.4314512443.

Adding to 1421227 its reverse (7221241), we get a palindrome (8642468).

It can be divided in two parts, 142122 and 7, that added together give a square (142129 = 377²).

The spelling of 1421227 in words is "one million, four hundred twenty-one thousand, two hundred twenty-seven".