1109189092 has 36 divisors (see below), whose sum is σ = 2159368848. Its totient is φ = 498084400.

The previous prime is 1109189069. The next prime is 1109189093. The reversal of 1109189092 is 2909819011.

It is not an unprimeable number, because it can be changed into a prime (1109189093) 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 11 ways as a sum of consecutive naturals, for example, 26367 + ... + 53977.

It is an arithmetic number, because the mean of its divisors is an integer number (59982468).

Almost surely, 2^1109189092 is an apocalyptic number.

It is an amenable number.

1109189092 is a deficient number, since it is larger than the sum of its proper divisors (1050179756).

1109189092 is a wasteful number, since it uses less digits than its factorization.

1109189092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27720 (or 27707 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 40.

The square root of 1109189092 is about 33304.4905680901. The cubic root of 1109189092 is about 1035.1466079359.

The spelling of 1109189092 in words is "one billion, one hundred nine million, one hundred eighty-nine thousand, ninety-two".