128152870 has 16 divisors (see below), whose sum is σ = 233925408. Its totient is φ = 50538880.

The previous prime is 128152859. The next prime is 128152877. The reversal of 128152870 is 78251821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128152877) 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, 89539 + ... + 90958.

It is an arithmetic number, because the mean of its divisors is an integer number (14620338).

Almost surely, 2^128152870 is an apocalyptic number.

128152870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128152870 is a deficient number, since it is larger than the sum of its proper divisors (105772538).

128152870 is a wasteful number, since it uses less digits than its factorization.

128152870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180575.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 128152870 is about 11320.4624463844. The cubic root of 128152870 is about 504.1689694436.

The spelling of 128152870 in words is "one hundred twenty-eight million, one hundred fifty-two thousand, eight hundred seventy".