1121115323 has 4 divisors (see below), whose sum is σ = 1121190408. Its totient is φ = 1121040240.

The previous prime is 1121115319. The next prime is 1121115343. The reversal of 1121115323 is 3235111211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1121115323 - 2² = 1121115319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121115295 and 1121115304.

It is not an unprimeable number, because it can be changed into a prime (1121115343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6698 + ... + 47823.

It is an arithmetic number, because the mean of its divisors is an integer number (280297602).

Almost surely, 2^1121115323 is an apocalyptic number.

1121115323 is a deficient number, since it is larger than the sum of its proper divisors (75085).

1121115323 is an equidigital number, since it uses as much as digits as its factorization.

1121115323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75084.

The product of its digits is 180, while the sum is 20.

The square root of 1121115323 is about 33483.0602394703. The cubic root of 1121115323 is about 1038.8434267266.

Adding to 1121115323 its reverse (3235111211), we get a palindrome (4356226534).

The spelling of 1121115323 in words is "one billion, one hundred twenty-one million, one hundred fifteen thousand, three hundred twenty-three".