128976018 has 8 divisors (see below), whose sum is σ = 257952048. Its totient is φ = 42992004.

The previous prime is 128976017. The next prime is 128976061. The reversal of 128976018 is 810679821.

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

128976018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (128976011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10747996 + ... + 10748007.

It is an arithmetic number, because the mean of its divisors is an integer number (32244006).

Almost surely, 2^128976018 is an apocalyptic number.

128976018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128976018 is a wasteful number, since it uses less digits than its factorization.

128976018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21496008.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 128976018 is about 11356.7608938464. The cubic root of 128976018 is about 505.2461212469.

It can be divided in two parts, 12897 and 6018, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 128976018 in words is "one hundred twenty-eight million, nine hundred seventy-six thousand, eighteen".