128343325 has 24 divisors (see below), whose sum is σ = 177863616. Its totient is φ = 91056000.

The previous prime is 128343307. The next prime is 128343359. The reversal of 128343325 is 523343821.

It is not a de Polignac number, because 128343325 - 2¹¹ = 128341277 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5584 + ... + 16966.

It is an arithmetic number, because the mean of its divisors is an integer number (7410984).

Almost surely, 2^128343325 is an apocalyptic number.

It is an amenable number.

128343325 is a deficient number, since it is larger than the sum of its proper divisors (49520291).

128343325 is a wasteful number, since it uses less digits than its factorization.

128343325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11445 (or 11440 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 128343325 is about 11328.8713030028. The cubic root of 128343325 is about 504.4186035270.

The spelling of 128343325 in words is "one hundred twenty-eight million, three hundred forty-three thousand, three hundred twenty-five".