128748170 has 16 divisors (see below), whose sum is σ = 232398720. Its totient is φ = 51354384.

The previous prime is 128748167. The next prime is 128748173. The reversal of 128748170 is 71847821.

It is an interprime number because it is at equal distance from previous prime (128748167) and next prime (128748173).

It is not an unprimeable number, because it can be changed into a prime (128748173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14342 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (14524920).

Almost surely, 2^128748170 is an apocalyptic number.

128748170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128748170 is a deficient number, since it is larger than the sum of its proper divisors (103650550).

128748170 is a wasteful number, since it uses less digits than its factorization.

128748170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36229.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 128748170 is about 11346.7250781889. The cubic root of 128748170 is about 504.9484246253.

The spelling of 128748170 in words is "one hundred twenty-eight million, seven hundred forty-eight thousand, one hundred seventy".