1323001061 has 2 divisors, whose sum is σ = 1323001062. Its totient is φ = 1323001060.

The previous prime is 1323001039. The next prime is 1323001063. The reversal of 1323001061 is 1601003231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005270436 + 317730625 = 31706^2 + 17825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323001061 - 2¹⁰ = 1323000037 is a prime.

Together with 1323001063, 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 (1323001063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661500530 + 661500531.

It is an arithmetic number, because the mean of its divisors is an integer number (661500531).

Almost surely, 2^1323001061 is an apocalyptic number.

It is an amenable number.

1323001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323001061 is an equidigital number, since it uses as much as digits as its factorization.

1323001061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1323001061 is about 36373.0815439110. The cubic root of 1323001061 is about 1097.7920064704.

Adding to 1323001061 its reverse (1601003231), we get a palindrome (2924004292).

The spelling of 1323001061 in words is "one billion, three hundred twenty-three million, one thousand, sixty-one".