128390301 has 24 divisors (see below), whose sum is σ = 208406016. Its totient is φ = 75572640.

The previous prime is 128390281. The next prime is 128390309. The reversal of 128390301 is 103093821.

It is not a de Polignac number, because 128390301 - 2⁶ = 128390237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128390309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21165 + ... + 26546.

It is an arithmetic number, because the mean of its divisors is an integer number (8683584).

Almost surely, 2^128390301 is an apocalyptic number.

It is an amenable number.

128390301 is a deficient number, since it is larger than the sum of its proper divisors (80015715).

128390301 is a wasteful number, since it uses less digits than its factorization.

128390301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47753 (or 47750 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 128390301 is about 11330.9444001813. The cubic root of 128390301 is about 504.4801381592.

The spelling of 128390301 in words is "one hundred twenty-eight million, three hundred ninety thousand, three hundred one".