1244042017 has 2 divisors, whose sum is σ = 1244042018. Its totient is φ = 1244042016.

The previous prime is 1244042011. The next prime is 1244042021. The reversal of 1244042017 is 7102404421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 690428176 + 553613841 = 26276^2 + 23529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244042017 - 2⁷ = 1244041889 is a prime.

It is a super-2 number, since 2×1244042017² = 3095281080122856578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244041982 and 1244042000.

It is not a weakly prime, because it can be changed into another prime (1244042011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622021008 + 622021009.

It is an arithmetic number, because the mean of its divisors is an integer number (622021009).

Almost surely, 2^1244042017 is an apocalyptic number.

It is an amenable number.

1244042017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244042017 is an equidigital number, since it uses as much as digits as its factorization.

1244042017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1244042017 is about 35270.9798134387. The cubic root of 1244042017 is about 1075.5031405697.

Adding to 1244042017 its reverse (7102404421), we get a palindrome (8346446438).

The spelling of 1244042017 in words is "one billion, two hundred forty-four million, forty-two thousand, seventeen".