11120128 has 40 divisors (see below), whose sum is σ = 22857912. Its totient is φ = 5400576.

The previous prime is 11120107. The next prime is 11120129. The reversal of 11120128 is 82102111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120129) 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, 18651 + ... + 19237.

Almost surely, 2^11120128 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 11120128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11428956).

11120128 is an abundant number, since it is smaller than the sum of its proper divisors (11737784).

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

11120128 is an frugal number, since it uses more digits than its factorization.

11120128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11120128 is about 3334.6855923760. The cubic root of 11120128 is about 223.2046623984.

Adding to 11120128 its reverse (82102111), we get a palindrome (93222239).

The spelling of 11120128 in words is "eleven million, one hundred twenty thousand, one hundred twenty-eight".