1426291 has 2 divisors, whose sum is σ = 1426292. Its totient is φ = 1426290.

The previous prime is 1426289. The next prime is 1426301. The reversal of 1426291 is 1926241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1926241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1426291 - 2¹ = 1426289 is a prime.

Together with 1426289, it forms a pair of twin primes.

1426291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1426211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713145 + 713146.

It is an arithmetic number, because the mean of its divisors is an integer number (713146).

2^1426291 is an apocalyptic number.

1426291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426291 is an equidigital number, since it uses as much as digits as its factorization.

1426291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 1426291 is about 1194.2742566094. The cubic root of 1426291 is about 112.5648284788.

The spelling of 1426291 in words is "one million, four hundred twenty-six thousand, two hundred ninety-one".