128040324 has 12 divisors (see below), whose sum is σ = 298760784. Its totient is φ = 42680104.

The previous prime is 128040271. The next prime is 128040331. The reversal of 128040324 is 423040821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 128040294 and 128040303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335002 + ... + 5335025.

It is an arithmetic number, because the mean of its divisors is an integer number (24896732).

Almost surely, 2^128040324 is an apocalyptic number.

It is an amenable number.

128040324 is an abundant number, since it is smaller than the sum of its proper divisors (170720460).

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

128040324 is a wasteful number, since it uses less digits than its factorization.

128040324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670034 (or 10670032 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 128040324 is about 11315.4904445190. The cubic root of 128040324 is about 504.0213363353.

The spelling of 128040324 in words is "one hundred twenty-eight million, forty thousand, three hundred twenty-four".