128863038 has 8 divisors (see below), whose sum is σ = 257726088. Its totient is φ = 42954344.

The previous prime is 128863027. The next prime is 128863057. The reversal of 128863038 is 830368821.

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

128863038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 128862987 and 128863005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10738581 + ... + 10738592.

It is an arithmetic number, because the mean of its divisors is an integer number (32215761).

Almost surely, 2^128863038 is an apocalyptic number.

128863038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128863038 is a wasteful number, since it uses less digits than its factorization.

128863038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21477178.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 128863038 is about 11351.7856745095. The cubic root of 128863038 is about 505.0985501881.

The spelling of 128863038 in words is "one hundred twenty-eight million, eight hundred sixty-three thousand, thirty-eight".