1122132113 has 4 divisors (see below), whose sum is σ = 1122773988. Its totient is φ = 1121490240.

The previous prime is 1122132091. The next prime is 1122132199. The reversal of 1122132113 is 3112312211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3112312211 = 223 ⋅13956557.

It can be written as a sum of positive squares in 2 ways, for example, as 640241809 + 481890304 = 25303^2 + 21952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122132113 - 2⁶ = 1122132049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122132091 and 1122132100.

It is not an unprimeable number, because it can be changed into a prime (1122137113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318308 + ... + 321813.

It is an arithmetic number, because the mean of its divisors is an integer number (280693497).

Almost surely, 2^1122132113 is an apocalyptic number.

It is an amenable number.

1122132113 is a deficient number, since it is larger than the sum of its proper divisors (641875).

1122132113 is an equidigital number, since it uses as much as digits as its factorization.

1122132113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641874.

The product of its digits is 72, while the sum is 17.

The square root of 1122132113 is about 33498.2404463279. The cubic root of 1122132113 is about 1039.1573898001.

Adding to 1122132113 its reverse (3112312211), we get a palindrome (4234444324).

It can be divided in two parts, 11221 and 32113, that added together give a palindrome (43334).

The spelling of 1122132113 in words is "one billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred thirteen".