128424300 has 144 divisors (see below), whose sum is σ = 389787552. Its totient is φ = 32614400.

The previous prime is 128424269. The next prime is 128424311. The reversal of 128424300 is 3424821.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651802 + ... + 651998.

It is an arithmetic number, because the mean of its divisors is an integer number (2706858).

Almost surely, 2^128424300 is an apocalyptic number.

128424300 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 128424300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194893776).

128424300 is an abundant number, since it is smaller than the sum of its proper divisors (261363252).

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

128424300 is a wasteful number, since it uses less digits than its factorization.

128424300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 128424300 is about 11332.4445729948. Note that the first 3 decimals coincide. The cubic root of 128424300 is about 504.5246646442.

The spelling of 128424300 in words is "one hundred twenty-eight million, four hundred twenty-four thousand, three hundred".