1131224516 has 12 divisors (see below), whose sum is σ = 2009190288. Its totient is φ = 557170152.

The previous prime is 1131224509. The next prime is 1131224537. The reversal of 1131224516 is 6154221311.

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, 2110226 + ... + 2110761.

It is an arithmetic number, because the mean of its divisors is an integer number (167432524).

Almost surely, 2^1131224516 is an apocalyptic number.

It is an amenable number.

1131224516 is a deficient number, since it is larger than the sum of its proper divisors (877965772).

1131224516 is a wasteful number, since it uses less digits than its factorization.

1131224516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221058 (or 4221056 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1131224516 is about 33633.6812733902. The cubic root of 1131224516 is about 1041.9565350894.

Adding to 1131224516 its reverse (6154221311), we get a palindrome (7285445827).

The spelling of 1131224516 in words is "one billion, one hundred thirty-one million, two hundred twenty-four thousand, five hundred sixteen".