1109193268 has 24 divisors (see below), whose sum is σ = 2008790784. Its totient is φ = 535344000.

The previous prime is 1109193263. The next prime is 1109193277. The reversal of 1109193268 is 8623919011.

It is a self number, because there is not a number n which added to its sum of digits gives 1109193268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109193263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38571 + ... + 60877.

It is an arithmetic number, because the mean of its divisors is an integer number (83699616).

Almost surely, 2^1109193268 is an apocalyptic number.

It is an amenable number.

1109193268 is a deficient number, since it is larger than the sum of its proper divisors (899597516).

1109193268 is a wasteful number, since it uses less digits than its factorization.

1109193268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22743 (or 22741 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1109193268 is about 33304.5532622793. The cubic root of 1109193268 is about 1035.1479070131.

The spelling of 1109193268 in words is "one billion, one hundred nine million, one hundred ninety-three thousand, two hundred sixty-eight".