128744088 has 64 divisors (see below), whose sum is σ = 355622400. Its totient is φ = 38513280.

The previous prime is 128744069. The next prime is 128744113. The reversal of 128744088 is 880447821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17770 + ... + 23942.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2^128744088 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 128744088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177811200).

128744088 is an abundant number, since it is smaller than the sum of its proper divisors (226878312).

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

128744088 is a wasteful number, since it uses less digits than its factorization.

128744088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272 (or 6268 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 128744088 is about 11346.5452010733. The cubic root of 128744088 is about 504.9430880543.

The spelling of 128744088 in words is "one hundred twenty-eight million, seven hundred forty-four thousand, eighty-eight".