130128241 has 2 divisors, whose sum is σ = 130128242. Its totient is φ = 130128240.

The previous prime is 130128239. The next prime is 130128259. The reversal of 130128241 is 142821031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123676641 + 6451600 = 11121^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 130128241 - 2¹ = 130128239 is a prime.

Together with 130128239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130128541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65064120 + 65064121.

It is an arithmetic number, because the mean of its divisors is an integer number (65064121).

Almost surely, 2^130128241 is an apocalyptic number.

It is an amenable number.

130128241 is a deficient number, since it is larger than the sum of its proper divisors (1).

130128241 is an equidigital number, since it uses as much as digits as its factorization.

130128241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 130128241 is about 11407.3766046361. The cubic root of 130128241 is about 506.7462222626.

Adding to 130128241 its reverse (142821031), we get a palindrome (272949272).

The spelling of 130128241 in words is "one hundred thirty million, one hundred twenty-eight thousand, two hundred forty-one".