1123094528 has 78 divisors (see below), whose sum is σ = 2396899566. Its totient is φ = 524353536.

The previous prime is 1123094521. The next prime is 1123094587. The reversal of 1123094528 is 8254903211.

It can be written as a sum of positive squares in only one way, i.e., 1057030144 + 66064384 = 32512^2 + 8128^2 .

It is a super-3 number, since 3×1123094528³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1123094521) 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, 8843201 + ... + 8843327.

Almost surely, 2^1123094528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123094528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198449783).

1123094528 is an abundant number, since it is smaller than the sum of its proper divisors (1273805038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123094528 is an frugal number, since it uses more digits than its factorization.

1123094528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1123094528 is about 33512.6025250203. The cubic root of 1123094528 is about 1039.4543883639.

Adding to 1123094528 its reverse (8254903211), we get a palindrome (9377997739).

The spelling of 1123094528 in words is "one billion, one hundred twenty-three million, ninety-four thousand, five hundred twenty-eight".