128925038 has 8 divisors (see below), whose sum is σ = 210968280. Its totient is φ = 58602280.

The previous prime is 128925037. The next prime is 128925073. The reversal of 128925038 is 830529821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 128924992 and 128925010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128925031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930093 + ... + 2930136.

It is an arithmetic number, because the mean of its divisors is an integer number (26371035).

Almost surely, 2^128925038 is an apocalyptic number.

128925038 is a deficient number, since it is larger than the sum of its proper divisors (82043242).

128925038 is a wasteful number, since it uses less digits than its factorization.

128925038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860242.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 128925038 is about 11354.5161940084. The cubic root of 128925038 is about 505.1795433872.

The spelling of 128925038 in words is "one hundred twenty-eight million, nine hundred twenty-five thousand, thirty-eight".