1324021091 has 2 divisors, whose sum is σ = 1324021092. Its totient is φ = 1324021090.

The previous prime is 1324021033. The next prime is 1324021133. The reversal of 1324021091 is 1901204231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1324021091 - 2²⁶ = 1256912227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1324041091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662010545 + 662010546.

It is an arithmetic number, because the mean of its divisors is an integer number (662010546).

Almost surely, 2^1324021091 is an apocalyptic number.

1324021091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324021091 is an equidigital number, since it uses as much as digits as its factorization.

1324021091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1324021091 is about 36387.1006127171. The cubic root of 1324021091 is about 1098.0740654836.

The spelling of 1324021091 in words is "one billion, three hundred twenty-four million, twenty-one thousand, ninety-one".