1268003441 has 2 divisors, whose sum is σ = 1268003442. Its totient is φ = 1268003440.

The previous prime is 1268003423. The next prime is 1268003449. The reversal of 1268003441 is 1443008621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1247573041 + 20430400 = 35321^2 + 4520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1268003441 - 2²² = 1263809137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1268003449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634001720 + 634001721.

It is an arithmetic number, because the mean of its divisors is an integer number (634001721).

Almost surely, 2^1268003441 is an apocalyptic number.

It is an amenable number.

1268003441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268003441 is an equidigital number, since it uses as much as digits as its factorization.

1268003441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1268003441 is about 35609.0359459506. The cubic root of 1268003441 is about 1082.3643449279.

The spelling of 1268003441 in words is "one billion, two hundred sixty-eight million, three thousand, four hundred forty-one".