128871230 has 8 divisors (see below), whose sum is σ = 231968232. Its totient is φ = 51548488.

The previous prime is 128871221. The next prime is 128871233. The reversal of 128871230 is 32178821.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128871233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6443552 + ... + 6443571.

It is an arithmetic number, because the mean of its divisors is an integer number (28996029).

Almost surely, 2^128871230 is an apocalyptic number.

128871230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128871230 is a deficient number, since it is larger than the sum of its proper divisors (103097002).

128871230 is a wasteful number, since it uses less digits than its factorization.

128871230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887130.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 128871230 is about 11352.1464930646. The cubic root of 128871230 is about 505.1092532304.

The spelling of 128871230 in words is "one hundred twenty-eight million, eight hundred seventy-one thousand, two hundred thirty".