128248584 has 16 divisors (see below), whose sum is σ = 320621520. Its totient is φ = 42749520.

The previous prime is 128248583. The next prime is 128248591. The reversal of 128248584 is 485842821.

It is not an unprimeable number, because it can be changed into a prime (128248583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671822 + ... + 2671869.

It is an arithmetic number, because the mean of its divisors is an integer number (20038845).

Almost surely, 2^128248584 is an apocalyptic number.

It is an amenable number.

128248584 is an abundant number, since it is smaller than the sum of its proper divisors (192372936).

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

128248584 is a wasteful number, since it uses less digits than its factorization.

128248584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343700 (or 5343696 counting only the distinct ones).

The product of its digits is 163840, while the sum is 42.

The square root of 128248584 is about 11324.6891348063. The cubic root of 128248584 is about 504.2944550453.

The spelling of 128248584 in words is "one hundred twenty-eight million, two hundred forty-eight thousand, five hundred eighty-four".