128187010 has 16 divisors (see below), whose sum is σ = 263699136. Its totient is φ = 43949808.

The previous prime is 128186969. The next prime is 128187011. The reversal of 128187010 is 10781821.

It is a self number, because there is not a number n which added to its sum of digits gives 128187010.

It is not an unprimeable number, because it can be changed into a prime (128187011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915552 + ... + 915691.

It is an arithmetic number, because the mean of its divisors is an integer number (16481196).

Almost surely, 2^128187010 is an apocalyptic number.

128187010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128187010 is an abundant number, since it is smaller than the sum of its proper divisors (135512126).

128187010 is a wasteful number, since it uses less digits than its factorization.

128187010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831257.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 128187010 is about 11321.9702349017. The cubic root of 128187010 is about 504.2137357720.

The spelling of 128187010 in words is "one hundred twenty-eight million, one hundred eighty-seven thousand, ten".