11128272 has 20 divisors (see below), whose sum is σ = 28748160. Its totient is φ = 3709408.

The previous prime is 11128259. The next prime is 11128277. The reversal of 11128272 is 27282111.

11128272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128277) 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, 115872 + ... + 115967.

It is an arithmetic number, because the mean of its divisors is an integer number (1437408).

Almost surely, 2^11128272 is an apocalyptic number.

11128272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11128272 is an abundant number, since it is smaller than the sum of its proper divisors (17619888).

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

11128272 is a wasteful number, since it uses less digits than its factorization.

11128272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231850 (or 231844 counting only the distinct ones).

The product of its digits is 448, while the sum is 24.

The square root of 11128272 is about 3335.9064735091. The cubic root of 11128272 is about 223.2591382459.

The spelling of 11128272 in words is "eleven million, one hundred twenty-eight thousand, two hundred seventy-two".