128325958 has 4 divisors (see below), whose sum is σ = 192488940. Its totient is φ = 64162978.

The previous prime is 128325937. The next prime is 128325959. The reversal of 128325958 is 859523821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 859523821 = 13 ⋅66117217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128325959) 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 as a sum of consecutive naturals, namely, 32081488 + ... + 32081491.

It is an arithmetic number, because the mean of its divisors is an integer number (48122235).

Almost surely, 2^128325958 is an apocalyptic number.

128325958 is a deficient number, since it is larger than the sum of its proper divisors (64162982).

128325958 is an equidigital number, since it uses as much as digits as its factorization.

128325958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64162981.

The product of its digits is 172800, while the sum is 43.

The square root of 128325958 is about 11328.1047841199. The cubic root of 128325958 is about 504.3958504074.

The spelling of 128325958 in words is "one hundred twenty-eight million, three hundred twenty-five thousand, nine hundred fifty-eight".