1323122039 has 2 divisors, whose sum is σ = 1323122040. Its totient is φ = 1323122038.

The previous prime is 1323122027. The next prime is 1323122041. The reversal of 1323122039 is 9302213231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323122039 is a prime.

Together with 1323122041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323121999 and 1323122017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323122539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661561019 + 661561020.

It is an arithmetic number, because the mean of its divisors is an integer number (661561020).

Almost surely, 2^1323122039 is an apocalyptic number.

1323122039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323122039 is an equidigital number, since it uses as much as digits as its factorization.

1323122039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1323122039 is about 36374.7445214396. The cubic root of 1323122039 is about 1097.8254669206.

The spelling of 1323122039 in words is "one billion, three hundred twenty-three million, one hundred twenty-two thousand, thirty-nine".