128810030 has 16 divisors (see below), whose sum is σ = 231989184. Its totient is φ = 51494880.

The previous prime is 128810021. The next prime is 128810081. The reversal of 128810030 is 30018821.

It is a junction number, because it is equal to n+sod(n) for n = 128809978 and 128810005.

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 7 ways as a sum of consecutive naturals, for example, 28100 + ... + 32360.

It is an arithmetic number, because the mean of its divisors is an integer number (14499324).

Almost surely, 2^128810030 is an apocalyptic number.

128810030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128810030 is a deficient number, since it is larger than the sum of its proper divisors (103179154).

128810030 is a wasteful number, since it uses less digits than its factorization.

128810030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 128810030 is about 11349.4506474983. The cubic root of 128810030 is about 505.0292830126.

Adding to 128810030 its reverse (30018821), we get a palindrome (158828851).

The spelling of 128810030 in words is "one hundred twenty-eight million, eight hundred ten thousand, thirty".