11121084 has 72 divisors (see below), whose sum is σ = 31403120. Its totient is φ = 3383424.

The previous prime is 11121083. The next prime is 11121139. The reversal of 11121084 is 48012111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124912 + ... + 125000.

Almost surely, 2^11121084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15701560).

11121084 is an abundant number, since it is smaller than the sum of its proper divisors (20282036).

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

11121084 is a wasteful number, since it uses less digits than its factorization.

11121084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11121084 is about 3334.8289311447. The cubic root of 11121084 is about 223.2110585341.

Adding to 11121084 its reverse (48012111), we get a palindrome (59133195).

The spelling of 11121084 in words is "eleven million, one hundred twenty-one thousand, eighty-four".