11123028 has 48 divisors (see below), whose sum is σ = 32959360. Its totient is φ = 3177792.

The previous prime is 11123023. The next prime is 11123033. The reversal of 11123028 is 82032111.

11123028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11123023) and next prime (11123033).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11123028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6601 + ... + 8112.

Almost surely, 2^11123028 is an apocalyptic number.

11123028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11123028 is an abundant number, since it is smaller than the sum of its proper divisors (21836332).

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

11123028 is a wasteful number, since it uses less digits than its factorization.

11123028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733 (or 14725 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11123028 is about 3335.1203876322. The cubic root of 11123028 is about 223.2240637716.

Adding to 11123028 its reverse (82032111), we get a palindrome (93155139).

The spelling of 11123028 in words is "eleven million, one hundred twenty-three thousand, twenty-eight".