1115244133 has 4 divisors (see below), whose sum is σ = 1115323360. Its totient is φ = 1115164908.

The previous prime is 1115244071. The next prime is 1115244181. The reversal of 1115244133 is 3314425111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 1115244133 - 2⁹ = 1115243621 is a prime.

It is a super-3 number, since 3×1115244133³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115244098 and 1115244107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115244233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12153 + ... + 48766.

It is an arithmetic number, because the mean of its divisors is an integer number (278830840).

Almost surely, 2^1115244133 is an apocalyptic number.

It is an amenable number.

1115244133 is a deficient number, since it is larger than the sum of its proper divisors (79227).

1115244133 is an equidigital number, since it uses as much as digits as its factorization.

1115244133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79226.

The product of its digits is 1440, while the sum is 25.

The square root of 1115244133 is about 33395.2711173304. The cubic root of 1115244133 is about 1037.0268056095.

Adding to 1115244133 its reverse (3314425111), we get a palindrome (4429669244).

The spelling of 1115244133 in words is "one billion, one hundred fifteen million, two hundred forty-four thousand, one hundred thirty-three".