128893301 has 2 divisors, whose sum is σ = 128893302. Its totient is φ = 128893300.

The previous prime is 128893267. The next prime is 128893333. The reversal of 128893301 is 103398821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117831025 + 11062276 = 10855^2 + 3326^2 .

It is a cyclic number.

It is not a de Polignac number, because 128893301 - 2²² = 124698997 is a prime.

It is a super-2 number, since 2×128893301² = 33226966085353202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128893351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64446650 + 64446651.

It is an arithmetic number, because the mean of its divisors is an integer number (64446651).

Almost surely, 2^128893301 is an apocalyptic number.

It is an amenable number.

128893301 is a deficient number, since it is larger than the sum of its proper divisors (1).

128893301 is an equidigital number, since it uses as much as digits as its factorization.

128893301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 128893301 is about 11353.1185583521. The cubic root of 128893301 is about 505.1380872584.

The spelling of 128893301 in words is "one hundred twenty-eight million, eight hundred ninety-three thousand, three hundred one".