1189668060 has 240 divisors, whose sum is σ = 4354257600. Its totient is φ = 271797120.

The previous prime is 1189668017. The next prime is 1189668097. The reversal of 1189668060 is 608669811.

It is a happy number.

1189668060 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1189667997 and 1189668015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 554590 + ... + 556730.

It is an arithmetic number, because the mean of its divisors is an integer number (18142740).

Almost surely, 2^1189668060 is an apocalyptic number.

1189668060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1189668060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177128800).

1189668060 is an abundant number, since it is smaller than the sum of its proper divisors (3164589540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1189668060 is a wasteful number, since it uses less digits than its factorization.

1189668060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1189668060 is about 34491.5650558220. The cubic root of 1189668060 is about 1059.5999617796.

The spelling of 1189668060 in words is "one billion, one hundred eighty-nine million, six hundred sixty-eight thousand, sixty".