1123606033 has 4 divisors (see below), whose sum is σ = 1225752048. Its totient is φ = 1021460020.

The previous prime is 1123605979. The next prime is 1123606061. The reversal of 1123606033 is 3306063211.

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 an emirpimes, since its reverse is a distinct semiprime: 3306063211 = 11 ⋅300551201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123606033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123605989 and 1123606007.

It is not an unprimeable number, because it can be changed into a prime (1123606633) 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, 51072991 + ... + 51073012.

It is an arithmetic number, because the mean of its divisors is an integer number (306438012).

Almost surely, 2^1123606033 is an apocalyptic number.

It is an amenable number.

1123606033 is a deficient number, since it is larger than the sum of its proper divisors (102146015).

1123606033 is a wasteful number, since it uses less digits than its factorization.

1123606033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102146014.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1123606033 is about 33520.2331883297. The cubic root of 1123606033 is about 1039.6121683212.

Adding to 1123606033 its reverse (3306063211), we get a palindrome (4429669244).

The spelling of 1123606033 in words is "one billion, one hundred twenty-three million, six hundred six thousand, thirty-three".