1296422297 has 4 divisors (see below), whose sum is σ = 1297530576. Its totient is φ = 1295314020.

The previous prime is 1296422249. The next prime is 1296422321. The reversal of 1296422297 is 7922246921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1296422297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296422207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552383 + ... + 554724.

It is an arithmetic number, because the mean of its divisors is an integer number (324382644).

Almost surely, 2^1296422297 is an apocalyptic number.

It is an amenable number.

1296422297 is a deficient number, since it is larger than the sum of its proper divisors (1108279).

1296422297 is a wasteful number, since it uses less digits than its factorization.

1296422297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108278.

The product of its digits is 217728, while the sum is 44.

The square root of 1296422297 is about 36005.8647583973. The cubic root of 1296422297 is about 1090.3907632984.

The spelling of 1296422297 in words is "one billion, two hundred ninety-six million, four hundred twenty-two thousand, two hundred ninety-seven".