1123105612 has 12 divisors (see below), whose sum is σ = 2081048760. Its totient is φ = 528520256.

The previous prime is 1123105601. The next prime is 1123105667. The reversal of 1123105612 is 2165013211.

It is a happy number.

It is a super-2 number, since 2×1123105612² = 2522732431411789088, which contains 22 as substring.

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, 8258062 + ... + 8258197.

It is an arithmetic number, because the mean of its divisors is an integer number (173420730).

Almost surely, 2^1123105612 is an apocalyptic number.

It is an amenable number.

1123105612 is a deficient number, since it is larger than the sum of its proper divisors (957943148).

1123105612 is a wasteful number, since it uses less digits than its factorization.

1123105612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16516280 (or 16516278 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1123105612 is about 33512.7678952366. The cubic root of 1123105612 is about 1039.4578078667.

Adding to 1123105612 its reverse (2165013211), we get a palindrome (3288118823).

The spelling of 1123105612 in words is "one billion, one hundred twenty-three million, one hundred five thousand, six hundred twelve".