128548241 has 2 divisors, whose sum is σ = 128548242. Its totient is φ = 128548240.

The previous prime is 128548201. The next prime is 128548253. The reversal of 128548241 is 142845821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100500625 + 28047616 = 10025^2 + 5296^2 .

It is an emirp because it is prime and its reverse (142845821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128548241 - 2⁶ = 128548177 is a prime.

It is not a weakly prime, because it can be changed into another prime (128548201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64274120 + 64274121.

It is an arithmetic number, because the mean of its divisors is an integer number (64274121).

Almost surely, 2^128548241 is an apocalyptic number.

It is an amenable number.

128548241 is a deficient number, since it is larger than the sum of its proper divisors (1).

128548241 is an equidigital number, since it uses as much as digits as its factorization.

128548241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480, while the sum is 35.

The square root of 128548241 is about 11337.9116683806. The cubic root of 128548241 is about 504.6869163524.

The spelling of 128548241 in words is "one hundred twenty-eight million, five hundred forty-eight thousand, two hundred forty-one".