11131124 has 18 divisors (see below), whose sum is σ = 20694870. Its totient is φ = 5237632.

The previous prime is 11131123. The next prime is 11131163. The reversal of 11131124 is 42113111.

It can be written as a sum of positive squares in 3 ways, for example, as 8179600 + 2951524 = 2860^2 + 1718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11131099 and 11131108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131123) 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 5 ways as a sum of consecutive naturals, for example, 3659 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (1149715).

Almost surely, 2^11131124 is an apocalyptic number.

It is an amenable number.

11131124 is a deficient number, since it is larger than the sum of its proper divisors (9563746).

11131124 is a wasteful number, since it uses less digits than its factorization.

11131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9667 (or 9648 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 11131124 is about 3336.3339161421. Note that the first 3 decimals coincide. The cubic root of 11131124 is about 223.2782092114.

Adding to 11131124 its reverse (42113111), we get a palindrome (53244235).

The spelling of 11131124 in words is "eleven million, one hundred thirty-one thousand, one hundred twenty-four".