1123411133 has 8 divisors (see below), whose sum is σ = 1223422200. Its totient is φ = 1025342208.

The previous prime is 1123411129. The next prime is 1123411181. The reversal of 1123411133 is 3311143211.

It can be written as a sum of positive squares in 4 ways, for example, as 19377604 + 1104033529 = 4402^2 + 33227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123411133 - 2² = 1123411129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123411733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484328 + ... + 486641.

It is an arithmetic number, because the mean of its divisors is an integer number (152927775).

Almost surely, 2^1123411133 is an apocalyptic number.

1123411133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1123411133 is a deficient number, since it is larger than the sum of its proper divisors (100011067).

1123411133 is an equidigital number, since it uses as much as digits as its factorization.

1123411133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971071.

The product of its digits is 216, while the sum is 20.

The square root of 1123411133 is about 33517.3258629026. The cubic root of 1123411133 is about 1039.5520546864.

Adding to 1123411133 its reverse (3311143211), we get a palindrome (4434554344).

The spelling of 1123411133 in words is "one billion, one hundred twenty-three million, four hundred eleven thousand, one hundred thirty-three".