1122122313 has 18 divisors (see below), whose sum is σ = 1755116766. Its totient is φ = 690535872.

The previous prime is 1122122293. The next prime is 1122122327. The reversal of 1122122313 is 3132212211.

It can be written as a sum of positive squares in 3 ways, for example, as 16426809 + 1105695504 = 4053^2 + 33252^2 .

It is not a de Polignac number, because 1122122313 - 2²⁵ = 1088567881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122122363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 367356 + ... + 370397.

It is an arithmetic number, because the mean of its divisors is an integer number (97506487).

Almost surely, 2^1122122313 is an apocalyptic number.

1122122313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1122122313 is a deficient number, since it is larger than the sum of its proper divisors (632994453).

1122122313 is a wasteful number, since it uses less digits than its factorization.

1122122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737785 (or 737769 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1122122313 is about 33498.0941696688. The cubic root of 1122122313 is about 1039.1543646744.

Adding to 1122122313 its reverse (3132212211), we get a palindrome (4254334524).

The spelling of 1122122313 in words is "one billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred thirteen".