1320311122 has 16 divisors (see below), whose sum is σ = 2178191232. Its totient is φ = 596408400.

The previous prime is 1320311117. The next prime is 1320311131. The reversal of 1320311122 is 2211130231.

It is a junction number, because it is equal to n+sod(n) for n = 1320311096 and 1320311105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539004 + ... + 541447.

It is an arithmetic number, because the mean of its divisors is an integer number (136136952).

Almost surely, 2^1320311122 is an apocalyptic number.

1320311122 is a deficient number, since it is larger than the sum of its proper divisors (857880110).

1320311122 is a wasteful number, since it uses less digits than its factorization.

1320311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080513.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1320311122 is about 36336.0856725102. The cubic root of 1320311122 is about 1097.0474877559.

Adding to 1320311122 its reverse (2211130231), we get a palindrome (3531441353).

The spelling of 1320311122 in words is "one billion, three hundred twenty million, three hundred eleven thousand, one hundred twenty-two".