1043221297 has 2 divisors, whose sum is σ = 1043221298. Its totient is φ = 1043221296.

The previous prime is 1043221241. The next prime is 1043221349. The reversal of 1043221297 is 7921223401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769285696 + 273935601 = 27736^2 + 16551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043221297 - 2¹⁹ = 1042697009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043221897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521610648 + 521610649.

It is an arithmetic number, because the mean of its divisors is an integer number (521610649).

Almost surely, 2^1043221297 is an apocalyptic number.

It is an amenable number.

1043221297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043221297 is an equidigital number, since it uses as much as digits as its factorization.

1043221297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1043221297 is about 32298.9364685588. The cubic root of 1043221297 is about 1014.2043792962.

Adding to 1043221297 its reverse (7921223401), we get a palindrome (8964444698).

The spelling of 1043221297 in words is "one billion, forty-three million, two hundred twenty-one thousand, two hundred ninety-seven".