11273128 has 32 divisors (see below), whose sum is σ = 22239360. Its totient is φ = 5346880.

The previous prime is 11273113. The next prime is 11273131. The reversal of 11273128 is 82137211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36093 + ... + 36403.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 2^11273128 is an apocalyptic number.

It is an amenable number.

11273128 is a deficient number, since it is larger than the sum of its proper divisors (10966232).

11273128 is a wasteful number, since it uses less digits than its factorization.

11273128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 533 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 11273128 is about 3357.5479147735. The cubic root of 11273128 is about 224.2236817488.

The spelling of 11273128 in words is "eleven million, two hundred seventy-three thousand, one hundred twenty-eight".