1131124312 has 16 divisors (see below), whose sum is σ = 2121783840. Its totient is φ = 565315296.

The previous prime is 1131124303. The next prime is 1131124361. The reversal of 1131124312 is 2134211311.

It is a super-4 number, since 4×1131124312⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131124312.

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, 10603 + ... + 48730.

It is an arithmetic number, because the mean of its divisors is an integer number (132611490).

Almost surely, 2^1131124312 is an apocalyptic number.

It is an amenable number.

1131124312 is a deficient number, since it is larger than the sum of its proper divisors (990659528).

1131124312 is a wasteful number, since it uses less digits than its factorization.

1131124312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61722 (or 61718 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1131124312 is about 33632.1916026892. The cubic root of 1131124312 is about 1041.9257686370.

Adding to 1131124312 its reverse (2134211311), we get a palindrome (3265335623).

The spelling of 1131124312 in words is "one billion, one hundred thirty-one million, one hundred twenty-four thousand, three hundred twelve".