128230472 has 16 divisors (see below), whose sum is σ = 246024240. Its totient is φ = 62624016.

The previous prime is 128230471. The next prime is 128230511. The reversal of 128230472 is 274032821.

It is not an unprimeable number, because it can be changed into a prime (128230471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186038 + ... + 186725.

It is an arithmetic number, because the mean of its divisors is an integer number (15376515).

Almost surely, 2^128230472 is an apocalyptic number.

It is an amenable number.

128230472 is a deficient number, since it is larger than the sum of its proper divisors (117793768).

128230472 is a wasteful number, since it uses less digits than its factorization.

128230472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372812 (or 372808 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 128230472 is about 11323.8894378213. The cubic root of 128230472 is about 504.2707141433.

The spelling of 128230472 in words is "one hundred twenty-eight million, two hundred thirty thousand, four hundred seventy-two".