1109804612 has 12 divisors (see below), whose sum is σ = 2219609280. Its totient is φ = 475630536.

The previous prime is 1109804609. The next prime is 1109804617. The reversal of 1109804612 is 2164089011.

1109804612 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1109804617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19817912 + ... + 19817967.

It is an arithmetic number, because the mean of its divisors is an integer number (184967440).

Almost surely, 2^1109804612 is an apocalyptic number.

It is an amenable number.

1109804612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109804612 is a wasteful number, since it uses less digits than its factorization.

1109804612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39635890 (or 39635888 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1109804612 is about 33313.7300823549. The cubic root of 1109804612 is about 1035.3380497808.

The spelling of 1109804612 in words is "one billion, one hundred nine million, eight hundred four thousand, six hundred twelve".