128323125 has 60 divisors (see below), whose sum is σ = 264790240. Its totient is φ = 58644000.

The previous prime is 128323103. The next prime is 128323147. The reversal of 128323125 is 521323821.

It is an interprime number because it is at equal distance from previous prime (128323103) and next prime (128323147).

It is not a de Polignac number, because 128323125 - 2⁶ = 128323061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37746 + ... + 41004.

Almost surely, 2^128323125 is an apocalyptic number.

128323125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128323125 is an abundant number, since it is smaller than the sum of its proper divisors (136467115).

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

128323125 is an equidigital number, since it uses as much as digits as its factorization.

128323125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292 (or 3274 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 128323125 is about 11327.9797404480. The cubic root of 128323125 is about 504.3921385994.

Adding to 128323125 its reverse (521323821), we get a palindrome (649646946).

The spelling of 128323125 in words is "one hundred twenty-eight million, three hundred twenty-three thousand, one hundred twenty-five".