1189439932 has 12 divisors (see below), whose sum is σ = 2082182536. Its totient is φ = 594530640.

The previous prime is 1189439929. The next prime is 1189439989. The reversal of 1189439932 is 2399349811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32694 + ... + 58717.

Almost surely, 2^1189439932 is an apocalyptic number.

It is an amenable number.

1189439932 is a deficient number, since it is larger than the sum of its proper divisors (892742604).

1189439932 is a wasteful number, since it uses less digits than its factorization.

1189439932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94668 (or 94666 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 1189439932 is about 34488.2578858370. The cubic root of 1189439932 is about 1059.5322286361.

The spelling of 1189439932 in words is "one billion, one hundred eighty-nine million, four hundred thirty-nine thousand, nine hundred thirty-two".