128150188 has 12 divisors (see below), whose sum is σ = 231996240. Its totient is φ = 61865552.

The previous prime is 128150171. The next prime is 128150189. The reversal of 128150188 is 881051821.

It is not an unprimeable number, because it can be changed into a prime (128150189) 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, 552256 + ... + 552487.

It is an arithmetic number, because the mean of its divisors is an integer number (19333020).

Almost surely, 2^128150188 is an apocalyptic number.

It is an amenable number.

128150188 is a deficient number, since it is larger than the sum of its proper divisors (103846052).

128150188 is a wasteful number, since it uses less digits than its factorization.

128150188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104776 (or 1104774 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 128150188 is about 11320.3439877064. The cubic root of 128150188 is about 504.1654523144.

The spelling of 128150188 in words is "one hundred twenty-eight million, one hundred fifty thousand, one hundred eighty-eight".