1226145241 has 2 divisors, whose sum is σ = 1226145242. Its totient is φ = 1226145240.

The previous prime is 1226145233. The next prime is 1226145253. The reversal of 1226145241 is 1425416221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656845641 + 569299600 = 25629^2 + 23860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226145241 - 2³ = 1226145233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226145941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613072620 + 613072621.

It is an arithmetic number, because the mean of its divisors is an integer number (613072621).

Almost surely, 2^1226145241 is an apocalyptic number.

It is an amenable number.

1226145241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226145241 is an equidigital number, since it uses as much as digits as its factorization.

1226145241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 1226145241 is about 35016.3567636612. The cubic root of 1226145241 is about 1070.3208171258.

The spelling of 1226145241 in words is "one billion, two hundred twenty-six million, one hundred forty-five thousand, two hundred forty-one".