128282760 has 96 divisors (see below), whose sum is σ = 426666240. Its totient is φ = 33409152.

The previous prime is 128282719. The next prime is 128282779. The reversal of 128282760 is 67282821.

It is a happy number.

It is a super-3 number, since 3×128282760³ (a number of 25 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 11337 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (4444440).

Almost surely, 2^128282760 is an apocalyptic number.

128282760 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 128282760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213333120).

128282760 is an abundant number, since it is smaller than the sum of its proper divisors (298383480).

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

128282760 is a wasteful number, since it uses less digits than its factorization.

128282760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347 (or 8340 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 128282760 is about 11326.1979498859. The cubic root of 128282760 is about 504.3392462782.

The spelling of 128282760 in words is "one hundred twenty-eight million, two hundred eighty-two thousand, seven hundred sixty".