128474512 has 20 divisors (see below), whose sum is σ = 249099136. Its totient is φ = 64190880.

The previous prime is 128474483. The next prime is 128474519. The reversal of 128474512 is 215474821.

It is not an unprimeable number, because it can be changed into a prime (128474519) 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 3 ways as a sum of consecutive naturals, for example, 34837 + ... + 38347.

Almost surely, 2^128474512 is an apocalyptic number.

It is an amenable number.

128474512 is a deficient number, since it is larger than the sum of its proper divisors (120624624).

128474512 is a wasteful number, since it uses less digits than its factorization.

128474512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806 (or 5800 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 128474512 is about 11334.6597655157. The cubic root of 128474512 is about 504.5904099680.

The spelling of 128474512 in words is "one hundred twenty-eight million, four hundred seventy-four thousand, five hundred twelve".