128444411 has 2 divisors, whose sum is σ = 128444412. Its totient is φ = 128444410.

The previous prime is 128444383. The next prime is 128444413. The reversal of 128444411 is 114444821.

It is a strong prime.

It is an emirp because it is prime and its reverse (114444821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128444411 - 2⁶ = 128444347 is a prime.

It is a Sophie Germain prime.

Together with 128444413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128444413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64222205 + 64222206.

It is an arithmetic number, because the mean of its divisors is an integer number (64222206).

Almost surely, 2^128444411 is an apocalyptic number.

128444411 is a deficient number, since it is larger than the sum of its proper divisors (1).

128444411 is an equidigital number, since it uses as much as digits as its factorization.

128444411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 29.

The square root of 128444411 is about 11333.3318578430. The cubic root of 128444411 is about 504.5509991358.

The spelling of 128444411 in words is "one hundred twenty-eight million, four hundred forty-four thousand, four hundred eleven".