128790741241 has 2 divisors, whose sum is σ = 128790741242. Its totient is φ = 128790741240.

The previous prime is 128790741193. The next prime is 128790741251. The reversal of 128790741241 is 142147097821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128758251241 + 32490000 = 358829^2 + 5700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128790741241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128790741191 and 128790741200.

It is not a weakly prime, because it can be changed into another prime (128790741251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64395370620 + 64395370621.

It is an arithmetic number, because the mean of its divisors is an integer number (64395370621).

Almost surely, 2^128790741241 is an apocalyptic number.

It is an amenable number.

128790741241 is a deficient number, since it is larger than the sum of its proper divisors (1).

128790741241 is an equidigital number, since it uses as much as digits as its factorization.

128790741241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 128790741241 in words is "one hundred twenty-eight billion, seven hundred ninety million, seven hundred forty-one thousand, two hundred forty-one".