1103242133 has 4 divisors (see below), whose sum is σ = 1260848160. Its totient is φ = 945636108.

The previous prime is 1103242123. The next prime is 1103242169. The reversal of 1103242133 is 3312423011.

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.

It is a cyclic number.

It is not a de Polignac number, because 1103242133 - 2¹⁰ = 1103241109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103242123) 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, 78803003 + ... + 78803016.

It is an arithmetic number, because the mean of its divisors is an integer number (315212040).

Almost surely, 2^1103242133 is an apocalyptic number.

It is an amenable number.

1103242133 is a deficient number, since it is larger than the sum of its proper divisors (157606027).

1103242133 is an equidigital number, since it uses as much as digits as its factorization.

1103242133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157606026.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1103242133 is about 33215.0889356027. The cubic root of 1103242133 is about 1033.2932993046.

Adding to 1103242133 its reverse (3312423011), we get a palindrome (4415665144).

The spelling of 1103242133 in words is "one billion, one hundred three million, two hundred forty-two thousand, one hundred thirty-three".