1322002049 has 2 divisors, whose sum is σ = 1322002050. Its totient is φ = 1322002048.

The previous prime is 1322002021. The next prime is 1322002061. The reversal of 1322002049 is 9402002231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1282714225 + 39287824 = 35815^2 + 6268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322002049 - 2¹⁶ = 1321936513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322002079) 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, 661001024 + 661001025.

It is an arithmetic number, because the mean of its divisors is an integer number (661001025).

Almost surely, 2^1322002049 is an apocalyptic number.

It is an amenable number.

1322002049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322002049 is an equidigital number, since it uses as much as digits as its factorization.

1322002049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1322002049 is about 36359.3461024810. The cubic root of 1322002049 is about 1097.5156187987.

The spelling of 1322002049 in words is "one billion, three hundred twenty-two million, two thousand, forty-nine".