1427297 has 2 divisors, whose sum is σ = 1427298. Its totient is φ = 1427296.

The previous prime is 1427291. The next prime is 1427323. The reversal of 1427297 is 7927241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952576 + 474721 = 976^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427297 - 2⁴ = 1427281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713648 + 713649.

It is an arithmetic number, because the mean of its divisors is an integer number (713649).

2^1427297 is an apocalyptic number.

It is an amenable number.

1427297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427297 is an equidigital number, since it uses as much as digits as its factorization.

1427297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 1427297 is about 1194.6953586584. The cubic root of 1427297 is about 112.5912872226.

Subtracting from 1427297 its product of digits (7056), we obtain a palindrome (1420241).

The spelling of 1427297 in words is "one million, four hundred twenty-seven thousand, two hundred ninety-seven".