1324020077 has 2 divisors, whose sum is σ = 1324020078. Its totient is φ = 1324020076.

The previous prime is 1324020043. The next prime is 1324020079. The reversal of 1324020077 is 7700204231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756580036 + 567440041 = 27506^2 + 23821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1324020077 is a prime.

Together with 1324020079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324020079) 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, 662010038 + 662010039.

It is an arithmetic number, because the mean of its divisors is an integer number (662010039).

Almost surely, 2^1324020077 is an apocalyptic number.

It is an amenable number.

1324020077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324020077 is an equidigital number, since it uses as much as digits as its factorization.

1324020077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 1324020077 is about 36387.0866792053. The cubic root of 1324020077 is about 1098.0737851639.

The spelling of 1324020077 in words is "one billion, three hundred twenty-four million, twenty thousand, seventy-seven".