1068974321 has 2 divisors, whose sum is σ = 1068974322. Its totient is φ = 1068974320.

The previous prime is 1068974287. The next prime is 1068974327. The reversal of 1068974321 is 1234798601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043613025 + 25361296 = 32305^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068974321 - 2¹⁴ = 1068957937 is a prime.

It is a super-2 number, since 2×1068974321² = 2285412197914822082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068974327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534487160 + 534487161.

It is an arithmetic number, because the mean of its divisors is an integer number (534487161).

Almost surely, 2^1068974321 is an apocalyptic number.

It is an amenable number.

1068974321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068974321 is an equidigital number, since it uses as much as digits as its factorization.

1068974321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1068974321 is about 32695.1727476703. The cubic root of 1068974321 is about 1022.4822030088.

The spelling of 1068974321 in words is "one billion, sixty-eight million, nine hundred seventy-four thousand, three hundred twenty-one".