1123241133 has 32 divisors (see below), whose sum is σ = 1797967872. Its totient is φ = 609840000.

The previous prime is 1123241123. The next prime is 1123241159. The reversal of 1123241133 is 3311423211.

It is not a de Polignac number, because 1123241133 - 2⁹ = 1123240621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123241123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65233 + ... + 80633.

It is an arithmetic number, because the mean of its divisors is an integer number (56186496).

Almost surely, 2^1123241133 is an apocalyptic number.

It is an amenable number.

1123241133 is a deficient number, since it is larger than the sum of its proper divisors (674726739).

1123241133 is a wasteful number, since it uses less digits than its factorization.

1123241133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15585.

The product of its digits is 432, while the sum is 21.

The square root of 1123241133 is about 33514.7897651171. The cubic root of 1123241133 is about 1039.4996153614.

Adding to 1123241133 its reverse (3311423211), we get a palindrome (4434664344).

The spelling of 1123241133 in words is "one billion, one hundred twenty-three million, two hundred forty-one thousand, one hundred thirty-three".