1420090297 has 2 divisors, whose sum is σ = 1420090298. Its totient is φ = 1420090296.

The previous prime is 1420090271. The next prime is 1420090307. The reversal of 1420090297 is 7920900241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976187536 + 443902761 = 31244^2 + 21069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420090297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420090237) 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, 710045148 + 710045149.

It is an arithmetic number, because the mean of its divisors is an integer number (710045149).

Almost surely, 2^1420090297 is an apocalyptic number.

It is an amenable number.

1420090297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420090297 is an equidigital number, since it uses as much as digits as its factorization.

1420090297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1420090297 is about 37684.0854605761. The cubic root of 1420090297 is about 1124.0146887579.

The spelling of 1420090297 in words is "one billion, four hundred twenty million, ninety thousand, two hundred ninety-seven".