128301325 has 6 divisors (see below), whose sum is σ = 159093674. Its totient is φ = 102641040.

The previous prime is 128301323. The next prime is 128301359. The reversal of 128301325 is 523103821.

It can be written as a sum of positive squares in 3 ways, for example, as 36505764 + 91795561 = 6042^2 + 9581^2 .

It is not a de Polignac number, because 128301325 - 2¹ = 128301323 is a prime.

It is a super-2 number, since 2×128301325² = 32922459993511250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5132053 = 128301325 / (1 + 2 + 8 + 3 + 0 + 1 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128301325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128301323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2566002 + ... + 2566051.

Almost surely, 2^128301325 is an apocalyptic number.

It is an amenable number.

128301325 is a deficient number, since it is larger than the sum of its proper divisors (30792349).

128301325 is an equidigital number, since it uses as much as digits as its factorization.

128301325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132063 (or 5132058 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 128301325 is about 11327.0174803432. The cubic root of 128301325 is about 504.3635743238.

The spelling of 128301325 in words is "one hundred twenty-eight million, three hundred one thousand, three hundred twenty-five".