1189149532 has 6 divisors (see below), whose sum is σ = 2081011688. Its totient is φ = 594574764.

The previous prime is 1189149517. The next prime is 1189149539. The reversal of 1189149532 is 2359419811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189149539) by changing a digit.

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 as a sum of consecutive naturals, namely, 148643688 + ... + 148643695.

Almost surely, 2^1189149532 is an apocalyptic number.

It is an amenable number.

1189149532 is a deficient number, since it is larger than the sum of its proper divisors (891862156).

1189149532 is a wasteful number, since it uses less digits than its factorization.

1189149532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297287387 (or 297287385 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 1189149532 is about 34484.0475002573. The cubic root of 1189149532 is about 1059.4459938755.

The spelling of 1189149532 in words is "one billion, one hundred eighty-nine million, one hundred forty-nine thousand, five hundred thirty-two".