1189112 has 8 divisors (see below), whose sum is σ = 2229600. Its totient is φ = 594552.

The previous prime is 1189109. The next prime is 1189121. The reversal of 1189112 is 2119811.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74312 + ... + 74327.

It is an arithmetic number, because the mean of its divisors is an integer number (278700).

2^1189112 is an apocalyptic number.

It is an amenable number.

1189112 is a deficient number, since it is larger than the sum of its proper divisors (1040488).

1189112 is a wasteful number, since it uses less digits than its factorization.

1189112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148645 (or 148641 counting only the distinct ones).

The product of its digits is 144, while the sum is 23.

The square root of 1189112 is about 1090.4641213722. The cubic root of 1189112 is about 105.9434847662.

The spelling of 1189112 in words is "one million, one hundred eighty-nine thousand, one hundred twelve".