1333121297 has 2 divisors, whose sum is σ = 1333121298. Its totient is φ = 1333121296.

The previous prime is 1333121281. The next prime is 1333121323. The reversal of 1333121297 is 7921213331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725548096 + 607573201 = 26936^2 + 24649^2 .

It is an emirp because it is prime and its reverse (7921213331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1333121297 - 2⁴ = 1333121281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1333126297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666560648 + 666560649.

It is an arithmetic number, because the mean of its divisors is an integer number (666560649).

Almost surely, 2^1333121297 is an apocalyptic number.

It is an amenable number.

1333121297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333121297 is an equidigital number, since it uses as much as digits as its factorization.

1333121297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 1333121297 is about 36511.9336245015. The cubic root of 1333121297 is about 1100.5840691596.

The spelling of 1333121297 in words is "one billion, three hundred thirty-three million, one hundred twenty-one thousand, two hundred ninety-seven".