128925300 has 216 divisors, whose sum is σ = 447568576. Its totient is φ = 28062720.

The previous prime is 128925299. The next prime is 128925337. The reversal of 128925300 is 3529821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1766064 + ... + 1766136.

Almost surely, 2^128925300 is an apocalyptic number.

128925300 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 128925300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223784288).

128925300 is an abundant number, since it is smaller than the sum of its proper divisors (318643276).

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

128925300 is a wasteful number, since it uses less digits than its factorization.

128925300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 128925300 is about 11354.5277312621. The cubic root of 128925300 is about 505.1798855936.

The spelling of 128925300 in words is "one hundred twenty-eight million, nine hundred twenty-five thousand, three hundred".