1421013227 has 2 divisors, whose sum is σ = 1421013228. Its totient is φ = 1421013226.

The previous prime is 1421013197. The next prime is 1421013283. The reversal of 1421013227 is 7223101241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421013227 - 2¹² = 1421009131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421613227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710506613 + 710506614.

It is an arithmetic number, because the mean of its divisors is an integer number (710506614).

Almost surely, 2^1421013227 is an apocalyptic number.

1421013227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421013227 is an equidigital number, since it uses as much as digits as its factorization.

1421013227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1421013227 is about 37696.3290918360. The cubic root of 1421013227 is about 1124.2581385873.

Adding to 1421013227 its reverse (7223101241), we get a palindrome (8644114468).

The spelling of 1421013227 in words is "one billion, four hundred twenty-one million, thirteen thousand, two hundred twenty-seven".