128396341 has 2 divisors, whose sum is σ = 128396342. Its totient is φ = 128396340.

The previous prime is 128396309. The next prime is 128396353. The reversal of 128396341 is 143693821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 32160241 = 9810^2 + 5671^2 .

It is a cyclic number.

It is not a de Polignac number, because 128396341 - 2⁵ = 128396309 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128396341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128316341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64198170 + 64198171.

It is an arithmetic number, because the mean of its divisors is an integer number (64198171).

Almost surely, 2^128396341 is an apocalyptic number.

It is an amenable number.

128396341 is a deficient number, since it is larger than the sum of its proper divisors (1).

128396341 is an equidigital number, since it uses as much as digits as its factorization.

128396341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 128396341 is about 11331.2109238157. The cubic root of 128396341 is about 504.4880489651.

The spelling of 128396341 in words is "one hundred twenty-eight million, three hundred ninety-six thousand, three hundred forty-one".