1244330401 has 2 divisors, whose sum is σ = 1244330402. Its totient is φ = 1244330400.

The previous prime is 1244330389. The next prime is 1244330407. The reversal of 1244330401 is 1040334421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122250000 + 122080401 = 33500^2 + 11049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244330401 - 2¹⁵ = 1244297633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244330407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622165200 + 622165201.

It is an arithmetic number, because the mean of its divisors is an integer number (622165201).

Almost surely, 2^1244330401 is an apocalyptic number.

It is an amenable number.

1244330401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244330401 is an equidigital number, since it uses as much as digits as its factorization.

1244330401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1244330401 is about 35275.0676966041. The cubic root of 1244330401 is about 1075.5862390316.

Adding to 1244330401 its reverse (1040334421), we get a palindrome (2284664822).

The spelling of 1244330401 in words is "one billion, two hundred forty-four million, three hundred thirty thousand, four hundred one".