128379200 has 168 divisors, whose sum is σ = 343936320. Its totient is φ = 47001600.

The previous prime is 128379157. The next prime is 128379211. The reversal of 128379200 is 2973821.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 23 ways as a sum of consecutive naturals, for example, 1246349 + ... + 1246451.

It is an arithmetic number, because the mean of its divisors is an integer number (2047240).

Almost surely, 2^128379200 is an apocalyptic number.

128379200 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 128379200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171968160).

128379200 is an abundant number, since it is smaller than the sum of its proper divisors (215557120).

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

128379200 is a wasteful number, since it uses less digits than its factorization.

128379200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 128379200 is about 11330.4545363370. The cubic root of 128379200 is about 504.4655981320.

The spelling of 128379200 in words is "one hundred twenty-eight million, three hundred seventy-nine thousand, two hundred".