1184728128 has 168 divisors, whose sum is σ = 3418453920. Its totient is φ = 360898560.

The previous prime is 1184728099. The next prime is 1184728151. The reversal of 1184728128 is 8218274811.

It is a self number, because there is not a number n which added to its sum of digits gives 1184728128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13311508 + ... + 13311596.

It is an arithmetic number, because the mean of its divisors is an integer number (20347940).

Almost surely, 2^1184728128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1184728128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709226960).

1184728128 is an abundant number, since it is smaller than the sum of its proper divisors (2233725792).

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

1184728128 is an equidigital number, since it uses as much as digits as its factorization.

1184728128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 154 counting only the distinct ones).

The product of its digits is 57344, while the sum is 42.

The square root of 1184728128 is about 34419.8798370941. The cubic root of 1184728128 is about 1058.1313130397.

The spelling of 1184728128 in words is "one billion, one hundred eighty-four million, seven hundred twenty-eight thousand, one hundred twenty-eight".