1226741773 has 2 divisors, whose sum is σ = 1226741774. Its totient is φ = 1226741772.

The previous prime is 1226741729. The next prime is 1226741801. The reversal of 1226741773 is 3771476221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 936482404 + 290259369 = 30602^2 + 17037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226741773 - 2¹⁷ = 1226610701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226747773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613370886 + 613370887.

It is an arithmetic number, because the mean of its divisors is an integer number (613370887).

Almost surely, 2^1226741773 is an apocalyptic number.

It is an amenable number.

1226741773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226741773 is an equidigital number, since it uses as much as digits as its factorization.

1226741773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 40.

The square root of 1226741773 is about 35024.8736328912. The cubic root of 1226741773 is about 1070.4943629348.

The spelling of 1226741773 in words is "one billion, two hundred twenty-six million, seven hundred forty-one thousand, seven hundred seventy-three".