1420090271 has 2 divisors, whose sum is σ = 1420090272. Its totient is φ = 1420090270.

The previous prime is 1420090237. The next prime is 1420090297. The reversal of 1420090271 is 1720900241.

It is an a-pointer prime, because the next prime (1420090297) can be obtained adding 1420090271 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420090271 - 2¹⁴ = 1420073887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420090271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420090171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710045135 + 710045136.

It is an arithmetic number, because the mean of its divisors is an integer number (710045136).

Almost surely, 2^1420090271 is an apocalyptic number.

1420090271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420090271 is an equidigital number, since it uses as much as digits as its factorization.

1420090271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1420090271 is about 37684.0851156028. The cubic root of 1420090271 is about 1124.0146818981.

The spelling of 1420090271 in words is "one billion, four hundred twenty million, ninety thousand, two hundred seventy-one".