1193268688 has 20 divisors (see below), whose sum is σ = 2314609668. Its totient is φ = 595950080.

The previous prime is 1193268679. The next prime is 1193268689. The reversal of 1193268688 is 8868623911.

It can be written as a sum of positive squares in 2 ways, for example, as 122146704 + 1071121984 = 11052^2 + 32728^2 .

It is a super-2 number, since 2×1193268688² = 2847780323522482688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193268689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28231 + ... + 56422.

Almost surely, 2^1193268688 is an apocalyptic number.

It is an amenable number.

1193268688 is a deficient number, since it is larger than the sum of its proper divisors (1121340980).

1193268688 is an equidigital number, since it uses as much as digits as its factorization.

1193268688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85542 (or 85536 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 1193268688 is about 34543.7213976723. The cubic root of 1193268688 is about 1060.6678738714.

The spelling of 1193268688 in words is "one billion, one hundred ninety-three million, two hundred sixty-eight thousand, six hundred eighty-eight".