11121284 has 12 divisors (see below), whose sum is σ = 19496400. Its totient is φ = 5550888.

The previous prime is 11121223. The next prime is 11121307. The reversal of 11121284 is 48212111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (1624700).

Almost surely, 2^11121284 is an apocalyptic number.

It is an amenable number.

11121284 is a deficient number, since it is larger than the sum of its proper divisors (8375116).

11121284 is a wasteful number, since it uses less digits than its factorization.

11121284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4880 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

The square root of 11121284 is about 3334.8589175556. The cubic root of 11121284 is about 223.2123965914.

Adding to 11121284 its reverse (48212111), we get a palindrome (59333395).

The spelling of 11121284 in words is "eleven million, one hundred twenty-one thousand, two hundred eighty-four".