1147297 has 2 divisors, whose sum is σ = 1147298. Its totient is φ = 1147296.

The previous prime is 1147273. The next prime is 1147301. The reversal of 1147297 is 7927411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 256 = 1071^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147297 - 2⁷ = 1147169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573648 + 573649.

It is an arithmetic number, because the mean of its divisors is an integer number (573649).

2^1147297 is an apocalyptic number.

It is an amenable number.

1147297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147297 is an equidigital number, since it uses as much as digits as its factorization.

1147297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 31.

The square root of 1147297 is about 1071.1195078048. The cubic root of 1147297 is about 104.6868067230.

It can be divided in two parts, 1147 and 297, that added together give a square (1444 = 38²).

The spelling of 1147297 in words is "one million, one hundred forty-seven thousand, two hundred ninety-seven".