128241163 has 2 divisors, whose sum is σ = 128241164. Its totient is φ = 128241162.

The previous prime is 128241151. The next prime is 128241173. The reversal of 128241163 is 361142821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128241163 - 2¹³ = 128232971 is a prime.

It is not a weakly prime, because it can be changed into another prime (128241133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64120581 + 64120582.

It is an arithmetic number, because the mean of its divisors is an integer number (64120582).

Almost surely, 2^128241163 is an apocalyptic number.

128241163 is a deficient number, since it is larger than the sum of its proper divisors (1).

128241163 is an equidigital number, since it uses as much as digits as its factorization.

128241163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 128241163 is about 11324.3614831036. The cubic root of 128241163 is about 504.2847279949.

Adding to 128241163 its reverse (361142821), we get a palindrome (489383984).

The spelling of 128241163 in words is "one hundred twenty-eight million, two hundred forty-one thousand, one hundred sixty-three".