1189914472 has 16 divisors (see below), whose sum is σ = 2251942560. Its totient is φ = 589396464.

The previous prime is 1189914469. The next prime is 1189914497. The reversal of 1189914472 is 2744199811.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694188 + ... + 695899.

It is an arithmetic number, because the mean of its divisors is an integer number (140746410).

Almost surely, 2^1189914472 is an apocalyptic number.

It is an amenable number.

1189914472 is a deficient number, since it is larger than the sum of its proper divisors (1062028088).

1189914472 is a wasteful number, since it uses less digits than its factorization.

1189914472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390200 (or 1390196 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 1189914472 is about 34495.1369326170. The cubic root of 1189914472 is about 1059.6731138713.

The spelling of 1189914472 in words is "one billion, one hundred eighty-nine million, nine hundred fourteen thousand, four hundred seventy-two".