128924208 has 120 divisors (see below), whose sum is σ = 417830400. Its totient is φ = 36346752.

The previous prime is 128924197. The next prime is 128924221. The reversal of 128924208 is 802429821.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 78823 + ... + 80441.

It is an arithmetic number, because the mean of its divisors is an integer number (3481920).

Almost surely, 2^128924208 is an apocalyptic number.

128924208 is a gapful number since it is divisible by the number (18) 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 128924208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208915200).

128924208 is an abundant number, since it is smaller than the sum of its proper divisors (288906192).

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

128924208 is a wasteful number, since it uses less digits than its factorization.

128924208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 128924208 is about 11354.4796446160. The cubic root of 128924208 is about 505.1784592949.

The spelling of 128924208 in words is "one hundred twenty-eight million, nine hundred twenty-four thousand, two hundred eight".