128483520 has 224 divisors, whose sum is σ = 465246720. Its totient is φ = 29793280.

The previous prime is 128483519. The next prime is 128483521. The reversal of 128483520 is 25384821.

It is an interprime number because it is at equal distance from previous prime (128483519) and next prime (128483521).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (128483521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5586229 + ... + 5586251.

Almost surely, 2^128483520 is an apocalyptic number.

128483520 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 128483520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232623360).

128483520 is an abundant number, since it is smaller than the sum of its proper divisors (336763200).

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

128483520 is an equidigital number, since it uses as much as digits as its factorization.

128483520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 128483520 is about 11335.0571238084. The cubic root of 128483520 is about 504.6022028238.

The spelling of 128483520 in words is "one hundred twenty-eight million, four hundred eighty-three thousand, five hundred twenty".