1189092112 has 30 divisors (see below), whose sum is σ = 2494724442. Its totient is φ = 548810496.

The previous prime is 1189092103. The next prime is 1189092119. The reversal of 1189092112 is 2112909811.

It can be written as a sum of positive squares in 3 ways, for example, as 5456896 + 1183635216 = 2336^2 + 34404^2 .

It is not an unprimeable number, because it can be changed into a prime (1189092119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217173 + ... + 222580.

Almost surely, 2^1189092112 is an apocalyptic number.

It is an amenable number.

1189092112 is an abundant number, since it is smaller than the sum of its proper divisors (1305632330).

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

1189092112 is a wasteful number, since it uses less digits than its factorization.

1189092112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439787 (or 439768 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 1189092112 is about 34483.2149313256. The cubic root of 1189092112 is about 1059.4289412491.

The spelling of 1189092112 in words is "one billion, one hundred eighty-nine million, ninety-two thousand, one hundred twelve".