1224040133 has 2 divisors, whose sum is σ = 1224040134. Its totient is φ = 1224040132.

The previous prime is 1224040099. The next prime is 1224040159. The reversal of 1224040133 is 3310404221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161582724 + 62457409 = 34082^2 + 7903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224040133 - 2¹⁶ = 1223974597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224040163) 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, 612020066 + 612020067.

It is an arithmetic number, because the mean of its divisors is an integer number (612020067).

Almost surely, 2^1224040133 is an apocalyptic number.

It is an amenable number.

1224040133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224040133 is an equidigital number, since it uses as much as digits as its factorization.

1224040133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1224040133 is about 34986.2849270968. The cubic root of 1224040133 is about 1069.7079393291.

Adding to 1224040133 its reverse (3310404221), we get a palindrome (4534444354).

The spelling of 1224040133 in words is "one billion, two hundred twenty-four million, forty thousand, one hundred thirty-three".