1189713120 has 192 divisors, whose sum is σ = 4001114880. Its totient is φ = 296275968.

The previous prime is 1189713097. The next prime is 1189713167. The reversal of 1189713120 is 213179811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664867 + ... + 666653.

It is an arithmetic number, because the mean of its divisors is an integer number (20839140).

Almost surely, 2^1189713120 is an apocalyptic number.

1189713120 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 1189713120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2000557440).

1189713120 is an abundant number, since it is smaller than the sum of its proper divisors (2811401760).

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

1189713120 is a wasteful number, since it uses less digits than its factorization.

1189713120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 1189713120 is about 34492.2182528175. The cubic root of 1189713120 is about 1059.6133394528.

The spelling of 1189713120 in words is "one billion, one hundred eighty-nine million, seven hundred thirteen thousand, one hundred twenty".