128926300 has 72 divisors (see below), whose sum is σ = 298574640. Its totient is φ = 48153600.

The previous prime is 128926279. The next prime is 128926321. The reversal of 128926300 is 3629821.

It is an interprime number because it is at equal distance from previous prime (128926279) and next prime (128926321).

It is a congruent number.

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, 307491 + ... + 307909.

It is an arithmetic number, because the mean of its divisors is an integer number (4146870).

Almost surely, 2^128926300 is an apocalyptic number.

128926300 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 128926300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149287320).

128926300 is an abundant number, since it is smaller than the sum of its proper divisors (169648340).

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

128926300 is a wasteful number, since it uses less digits than its factorization.

128926300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 128926300 is about 11354.5717664736. The cubic root of 128926300 is about 505.1811917210.

The spelling of 128926300 in words is "one hundred twenty-eight million, nine hundred twenty-six thousand, three hundred".