1322123013 has 8 divisors (see below), whose sum is σ = 1958700800. Its totient is φ = 881415324.

The previous prime is 1322123009. The next prime is 1322123017. The reversal of 1322123013 is 3103212231.

It is an interprime number because it is at equal distance from previous prime (1322123009) and next prime (1322123017).

It is not a de Polignac number, because 1322123013 - 2² = 1322123009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322123017) 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 in 7 ways as a sum of consecutive naturals, for example, 24483733 + ... + 24483786.

It is an arithmetic number, because the mean of its divisors is an integer number (244837600).

Almost surely, 2^1322123013 is an apocalyptic number.

It is an amenable number.

1322123013 is a deficient number, since it is larger than the sum of its proper divisors (636577787).

1322123013 is an equidigital number, since it uses as much as digits as its factorization.

1322123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48967528 (or 48967522 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1322123013 is about 36361.0095156886. The cubic root of 1322123013 is about 1097.5490922290.

Adding to 1322123013 its reverse (3103212231), we get a palindrome (4425335244).

The spelling of 1322123013 in words is "one billion, three hundred twenty-two million, one hundred twenty-three thousand, thirteen".