128825038 has 16 divisors (see below), whose sum is σ = 194918400. Its totient is φ = 63855000.

The previous prime is 128825003. The next prime is 128825051. The reversal of 128825038 is 830528821.

It is a junction number, because it is equal to n+sod(n) for n = 128824988 and 128825006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171163 + ... + 171913.

It is an arithmetic number, because the mean of its divisors is an integer number (12182400).

Almost surely, 2^128825038 is an apocalyptic number.

128825038 is a deficient number, since it is larger than the sum of its proper divisors (66093362).

128825038 is a wasteful number, since it uses less digits than its factorization.

128825038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 128825038 is about 11350.1118056167. Note that the first 3 decimals coincide. The cubic root of 128825038 is about 505.0488963536.

The spelling of 128825038 in words is "one hundred twenty-eight million, eight hundred twenty-five thousand, thirty-eight".