11121232 has 20 divisors (see below), whose sum is σ = 22682080. Its totient is φ = 5267808.

The previous prime is 11121223. The next prime is 11121307. The reversal of 11121232 is 23212111.

It is a congruent number.

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, 17988 + ... + 18595.

It is an arithmetic number, because the mean of its divisors is an integer number (1134104).

Almost surely, 2^11121232 is an apocalyptic number.

It is an amenable number.

11121232 is an abundant number, since it is smaller than the sum of its proper divisors (11560848).

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

11121232 is a wasteful number, since it uses less digits than its factorization.

11121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36610 (or 36604 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 11121232 is about 3334.8511211147. The cubic root of 11121232 is about 223.2120486980.

Adding to 11121232 its reverse (23212111), we get a palindrome (34333343).

The spelling of 11121232 in words is "eleven million, one hundred twenty-one thousand, two hundred thirty-two".