128468288 has 28 divisors (see below), whose sum is σ = 274540980. Its totient is φ = 59292672.

The previous prime is 128468281. The next prime is 128468321. The reversal of 128468288 is 882864821.

It can be written as a sum of positive squares in 2 ways, for example, as 25080064 + 103388224 = 5008^2 + 10168^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128468281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76373 + ... + 78036.

It is an arithmetic number, because the mean of its divisors is an integer number (9805035).

Almost surely, 2^128468288 is an apocalyptic number.

It is an amenable number.

128468288 is an abundant number, since it is smaller than the sum of its proper divisors (146072692).

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

128468288 is a wasteful number, since it uses less digits than its factorization.

128468288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154434 (or 154424 counting only the distinct ones).

The product of its digits is 393216, while the sum is 47.

The square root of 128468288 is about 11334.3852060886. The cubic root of 128468288 is about 504.5822614738.

The spelling of 128468288 in words is "one hundred twenty-eight million, four hundred sixty-eight thousand, two hundred eighty-eight".