1421214271 has 2 divisors, whose sum is σ = 1421214272. Its totient is φ = 1421214270.

The previous prime is 1421214259. The next prime is 1421214293. The reversal of 1421214271 is 1724121241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421214271 - 2⁷ = 1421214143 is a prime.

It is a super-2 number, since 2×1421214271² = 4039700008188122882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421214241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710607135 + 710607136.

It is an arithmetic number, because the mean of its divisors is an integer number (710607136).

Almost surely, 2^1421214271 is an apocalyptic number.

1421214271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421214271 is an equidigital number, since it uses as much as digits as its factorization.

1421214271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 25.

The square root of 1421214271 is about 37698.9956232258. The cubic root of 1421214271 is about 1124.3111558501.

The spelling of 1421214271 in words is "one billion, four hundred twenty-one million, two hundred fourteen thousand, two hundred seventy-one".