1189704672 has 168 divisors, whose sum is σ = 3782838024. Its totient is φ = 365969664.

The previous prime is 1189704661. The next prime is 1189704683. The reversal of 1189704672 is 2764079811.

It is a happy number.

1189704672 is a `hidden beast` number, since 1 + 189 + 7 + 0 + 467 + 2 = 666.

1189704672 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1189704661) and next prime (1189704683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 301303 + ... + 305225.

It is an arithmetic number, because the mean of its divisors is an integer number (22516893).

Almost surely, 2^1189704672 is an apocalyptic number.

1189704672 is a gapful number since it is divisible by the number (12) 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 1189704672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891419012).

1189704672 is an abundant number, since it is smaller than the sum of its proper divisors (2593133352).

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

1189704672 is an equidigital number, since it uses as much as digits as its factorization.

1189704672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1189704672 is about 34492.0957901952. The cubic root of 1189704672 is about 1059.6108313875.

The spelling of 1189704672 in words is "one billion, one hundred eighty-nine million, seven hundred four thousand, six hundred seventy-two".