128161230 has 32 divisors (see below), whose sum is σ = 309944448. Its totient is φ = 33914400.

The previous prime is 128161217. The next prime is 128161247. The reversal of 128161230 is 32161821.

It is a super-2 number, since 2×128161230² = 32850601750225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128161230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12376 + ... + 20235.

It is an arithmetic number, because the mean of its divisors is an integer number (9685764).

Almost surely, 2^128161230 is an apocalyptic number.

128161230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128161230 is an abundant number, since it is smaller than the sum of its proper divisors (181783218).

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

128161230 is a wasteful number, since it uses less digits than its factorization.

128161230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32752.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 128161230 is about 11320.8316832289. The cubic root of 128161230 is about 504.1799322906.

The spelling of 128161230 in words is "one hundred twenty-eight million, one hundred sixty-one thousand, two hundred thirty".