11390128 has 40 divisors (see below), whose sum is σ = 22967280. Its totient is φ = 5468160.

The previous prime is 11390123. The next prime is 11390143. The reversal of 11390128 is 82109311.

11390128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11390123) 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, 63543 + ... + 63721.

It is an arithmetic number, because the mean of its divisors is an integer number (574182).

Almost surely, 2^11390128 is an apocalyptic number.

It is an amenable number.

11390128 is an abundant number, since it is smaller than the sum of its proper divisors (11577152).

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

11390128 is a wasteful number, since it uses less digits than its factorization.

11390128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11390128 is about 3374.9263695672. The cubic root of 11390128 is about 224.9967275244.

Adding to 11390128 its reverse (82109311), we get a palindrome (93499439).

The spelling of 11390128 in words is "eleven million, three hundred ninety thousand, one hundred twenty-eight".