1189384012 has 6 divisors (see below), whose sum is σ = 2081422028. Its totient is φ = 594692004.

The previous prime is 1189384003. The next prime is 1189384033. The reversal of 1189384012 is 2104839811.

It is a super-2 number, since 2×1189384012² = 2829268656002432288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148672998 + ... + 148673005.

Almost surely, 2^1189384012 is an apocalyptic number.

It is an amenable number.

1189384012 is a deficient number, since it is larger than the sum of its proper divisors (892038016).

1189384012 is a wasteful number, since it uses less digits than its factorization.

1189384012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297346007 (or 297346005 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1189384012 is about 34487.4471655993. The cubic root of 1189384012 is about 1059.5156241908.

The spelling of 1189384012 in words is "one billion, one hundred eighty-nine million, three hundred eighty-four thousand, twelve".