128159270 has 16 divisors (see below), whose sum is σ = 238128768. Its totient is φ = 49609920.

The previous prime is 128159267. The next prime is 128159279. The reversal of 128159270 is 72951821.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128159270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128159279) 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, 206399 + ... + 207018.

It is an arithmetic number, because the mean of its divisors is an integer number (14883048).

Almost surely, 2^128159270 is an apocalyptic number.

128159270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128159270 is a deficient number, since it is larger than the sum of its proper divisors (109969498).

128159270 is a wasteful number, since it uses less digits than its factorization.

128159270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413455.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 128159270 is about 11320.7451168198. The cubic root of 128159270 is about 504.1773620966.

The spelling of 128159270 in words is "one hundred twenty-eight million, one hundred fifty-nine thousand, two hundred seventy".