1189881014 has 12 divisors (see below), whose sum is σ = 2076221124. Its totient is φ = 509948964.

The previous prime is 1189881013. The next prime is 1189881019. The reversal of 1189881014 is 4101889811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189881013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6070724 + ... + 6070919.

It is an arithmetic number, because the mean of its divisors is an integer number (173018427).

Almost surely, 2^1189881014 is an apocalyptic number.

1189881014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1189881014 is a deficient number, since it is larger than the sum of its proper divisors (886340110).

1189881014 is a wasteful number, since it uses less digits than its factorization.

1189881014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12141659 (or 12141652 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 41.

The square root of 1189881014 is about 34494.6519622970. The cubic root of 1189881014 is about 1059.6631818199.

The spelling of 1189881014 in words is "one billion, one hundred eighty-nine million, eight hundred eighty-one thousand, fourteen".