1324221149 has 2 divisors, whose sum is σ = 1324221150. Its totient is φ = 1324221148.

The previous prime is 1324221091. The next prime is 1324221161. The reversal of 1324221149 is 9411224231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984076900 + 340144249 = 31370^2 + 18443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324221149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324221179) 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, 662110574 + 662110575.

It is an arithmetic number, because the mean of its divisors is an integer number (662110575).

Almost surely, 2^1324221149 is an apocalyptic number.

It is an amenable number.

1324221149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324221149 is an equidigital number, since it uses as much as digits as its factorization.

1324221149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 1324221149 is about 36389.8495325276. The cubic root of 1324221149 is about 1098.1293685900.

The spelling of 1324221149 in words is "one billion, three hundred twenty-four million, two hundred twenty-one thousand, one hundred forty-nine".