128083125 has 20 divisors (see below), whose sum is σ = 213406688. Its totient is φ = 68310000.

The previous prime is 128083121. The next prime is 128083141. The reversal of 128083125 is 521380821.

It is not a de Polignac number, because 128083125 - 2² = 128083121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128083092 and 128083101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128083121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32281 + ... + 36030.

Almost surely, 2^128083125 is an apocalyptic number.

128083125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128083125 is a deficient number, since it is larger than the sum of its proper divisors (85323563).

128083125 is an frugal number, since it uses more digits than its factorization.

128083125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68334 (or 68319 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 128083125 is about 11317.3815434490. The cubic root of 128083125 is about 504.0774910769.

The spelling of 128083125 in words is "one hundred twenty-eight million, eighty-three thousand, one hundred twenty-five".