128306324 has 36 divisors (see below), whose sum is σ = 238221984. Its totient is φ = 60432288.

The previous prime is 128306323. The next prime is 128306369. The reversal of 128306324 is 423603821.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128306323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144209 + ... + 145095.

Almost surely, 2^128306324 is an apocalyptic number.

It is an amenable number.

128306324 is a deficient number, since it is larger than the sum of its proper divisors (109915660).

128306324 is a wasteful number, since it uses less digits than its factorization.

128306324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 128306324 is about 11327.2381452850. The cubic root of 128306324 is about 504.3701247387.

The spelling of 128306324 in words is "one hundred twenty-eight million, three hundred six thousand, three hundred twenty-four".