1123212033 has 6 divisors (see below), whose sum is σ = 1622417394. Its totient is φ = 748808016.

The previous prime is 1123212031. The next prime is 1123212047. The reversal of 1123212033 is 3302123211.

It can be written as a sum of positive squares in only one way, i.e., 695218689 + 427993344 = 26367^2 + 20688^2 .

It is not a de Polignac number, because 1123212033 - 2¹ = 1123212031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123211997 and 1123212015.

It is not an unprimeable number, because it can be changed into a prime (1123212031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62400660 + ... + 62400677.

It is an arithmetic number, because the mean of its divisors is an integer number (270402899).

Almost surely, 2^1123212033 is an apocalyptic number.

It is an amenable number.

1123212033 is a deficient number, since it is larger than the sum of its proper divisors (499205361).

1123212033 is a wasteful number, since it uses less digits than its factorization.

1123212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124801343 (or 124801340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123212033 is about 33514.3556256121. The cubic root of 1123212033 is about 1039.4906384525.

Adding to 1123212033 its reverse (3302123211), we get a palindrome (4425335244).

The spelling of 1123212033 in words is "one billion, one hundred twenty-three million, two hundred twelve thousand, thirty-three".