128427874 has 8 divisors (see below), whose sum is σ = 192690000. Its totient is φ = 64197876.

The previous prime is 128427857. The next prime is 128427889. The reversal of 128427874 is 478724821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 128427874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10717 + ... + 19279.

It is an arithmetic number, because the mean of its divisors is an integer number (24086250).

Almost surely, 2^128427874 is an apocalyptic number.

128427874 is a deficient number, since it is larger than the sum of its proper divisors (64262126).

128427874 is an equidigital number, since it uses as much as digits as its factorization.

128427874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16064.

The product of its digits is 200704, while the sum is 43.

The square root of 128427874 is about 11332.6022607343. The cubic root of 128427874 is about 504.5293448448.

The spelling of 128427874 in words is "one hundred twenty-eight million, four hundred twenty-seven thousand, eight hundred seventy-four".