128318050 has 48 divisors (see below), whose sum is σ = 273678912. Its totient is φ = 43848000.

The previous prime is 128318027. The next prime is 128318053. The reversal of 128318050 is 50813821.

It is not an unprimeable number, because it can be changed into a prime (128318053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182700 + ... + 183400.

It is an arithmetic number, because the mean of its divisors is an integer number (5701644).

Almost surely, 2^128318050 is an apocalyptic number.

128318050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128318050 is an abundant number, since it is smaller than the sum of its proper divisors (145360862).

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

128318050 is a wasteful number, since it uses less digits than its factorization.

128318050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 128318050 is about 11327.7557353608. The cubic root of 128318050 is about 504.3854891774.

The spelling of 128318050 in words is "one hundred twenty-eight million, three hundred eighteen thousand, fifty".