128598912 has 192 divisors, whose sum is σ = 412863360. Its totient is φ = 38154240.

The previous prime is 128598893. The next prime is 128598941. The reversal of 128598912 is 219895821.

It is a tau number, because it is divible by the number of its divisors (192).

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, 464118 + ... + 464394.

It is an arithmetic number, because the mean of its divisors is an integer number (2150330).

Almost surely, 2^128598912 is an apocalyptic number.

128598912 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 128598912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206431680).

128598912 is an abundant number, since it is smaller than the sum of its proper divisors (284264448).

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

128598912 is a wasteful number, since it uses less digits than its factorization.

128598912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 326 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 128598912 is about 11340.1460308058. The cubic root of 128598912 is about 504.7532199470.

The spelling of 128598912 in words is "one hundred twenty-eight million, five hundred ninety-eight thousand, nine hundred twelve".