128943360 has 576 divisors, whose sum is σ = 576898560. Its totient is φ = 26542080.

The previous prime is 128943349. The next prime is 128943383. The reversal of 128943360 is 63349821.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3144940 + ... + 3144980.

It is an arithmetic number, because the mean of its divisors is an integer number (1001560).

Almost surely, 2^128943360 is an apocalyptic number.

128943360 is a gapful number since it is divisible by the number (10) 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 128943360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288449280).

128943360 is an abundant number, since it is smaller than the sum of its proper divisors (447955200).

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

128943360 is a wasteful number, since it uses less digits than its factorization.

128943360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 128943360 is about 11355.3229808755. The cubic root of 128943360 is about 505.2034732131.

The spelling of 128943360 in words is "one hundred twenty-eight million, nine hundred forty-three thousand, three hundred sixty".