12111124 has 12 divisors (see below), whose sum is σ = 21225204. Its totient is φ = 6046784.

The previous prime is 12111103. The next prime is 12111139. The reversal of 12111124 is 42111121.

It can be written as a sum of positive squares in 2 ways, for example, as 10627600 + 1483524 = 3260^2 + 1218^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (1768767).

Almost surely, 2^12111124 is an apocalyptic number.

It is an amenable number.

12111124 is a deficient number, since it is larger than the sum of its proper divisors (9114080).

12111124 is a wasteful number, since it uses less digits than its factorization.

12111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394 (or 4392 counting only the distinct ones).

The product of its digits is 16, while the sum is 13.

The square root of 12111124 is about 3480.1040214338. The cubic root of 12111124 is about 229.6473739490.

Adding to 12111124 its reverse (42111121), we get a palindrome (54222245).

The spelling of 12111124 in words is "twelve million, one hundred eleven thousand, one hundred twenty-four".