1123033028 has 24 divisors (see below), whose sum is σ = 2173691352. Its totient is φ = 504313344.

The previous prime is 1123033027. The next prime is 1123033031. The reversal of 1123033028 is 8203303211.

It can be written as a sum of positive squares in 4 ways, for example, as 596238724 + 526794304 = 24418^2 + 22952^2 .

It is a super-2 number, since 2×1123033028² = 2522406363957697568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123032994 and 1123033012.

It is not an unprimeable number, because it can be changed into a prime (1123033027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289925 + ... + 293772.

It is an arithmetic number, because the mean of its divisors is an integer number (90570473).

Almost surely, 2^1123033028 is an apocalyptic number.

It is an amenable number.

1123033028 is a deficient number, since it is larger than the sum of its proper divisors (1050658324).

1123033028 is a wasteful number, since it uses less digits than its factorization.

1123033028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583751 (or 583749 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1123033028 is about 33511.6849471942. The cubic root of 1123033028 is about 1039.4354147126.

Adding to 1123033028 its reverse (8203303211), we get a palindrome (9326336239).

The spelling of 1123033028 in words is "one billion, one hundred twenty-three million, thirty-three thousand, twenty-eight".