128600304 has 160 divisors (see below), whose sum is σ = 396403200. Its totient is φ = 35900928.

The previous prime is 128600287. The next prime is 128600321. The reversal of 128600304 is 403006821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (128600287) and next prime (128600321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1201819 + ... + 1201925.

It is an arithmetic number, because the mean of its divisors is an integer number (2477520).

Almost surely, 2^128600304 is an apocalyptic number.

128600304 is a gapful number since it is divisible by the number (14) 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 128600304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198201600).

128600304 is an abundant number, since it is smaller than the sum of its proper divisors (267802896).

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

128600304 is a wasteful number, since it uses less digits than its factorization.

128600304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 128600304 is about 11340.2074055107. The cubic root of 128600304 is about 504.7550411494.

The spelling of 128600304 in words is "one hundred twenty-eight million, six hundred thousand, three hundred four".