128245141 has 2 divisors, whose sum is σ = 128245142. Its totient is φ = 128245140.

The previous prime is 128245133. The next prime is 128245151. The reversal of 128245141 is 141542821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 29322225 = 9946^2 + 5415^2 .

It is a cyclic number.

It is not a de Polignac number, because 128245141 - 2³ = 128245133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128245111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64122570 + 64122571.

It is an arithmetic number, because the mean of its divisors is an integer number (64122571).

Almost surely, 2^128245141 is an apocalyptic number.

It is an amenable number.

128245141 is a deficient number, since it is larger than the sum of its proper divisors (1).

128245141 is an equidigital number, since it uses as much as digits as its factorization.

128245141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 28.

The square root of 128245141 is about 11324.5371207833. The cubic root of 128245141 is about 504.2899421915.

Adding to 128245141 its reverse (141542821), we get a palindrome (269787962).

The spelling of 128245141 in words is "one hundred twenty-eight million, two hundred forty-five thousand, one hundred forty-one".