128468960 has 96 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 48775680.

The previous prime is 128468959. The next prime is 128468969. The reversal of 128468960 is 69864821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128468969) 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 15 ways as a sum of consecutive naturals, for example, 292421 + ... + 292859.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^128468960 is an apocalyptic number.

128468960 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 128468960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159667200).

128468960 is an abundant number, since it is smaller than the sum of its proper divisors (190865440).

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

128468960 is a wasteful number, since it uses less digits than its factorization.

128468960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 128468960 is about 11334.4148503573. The cubic root of 128468960 is about 504.5831412725.

The spelling of 128468960 in words is "one hundred twenty-eight million, four hundred sixty-eight thousand, nine hundred sixty".