128443411 has 2 divisors, whose sum is σ = 128443412. Its totient is φ = 128443410.

The previous prime is 128443387. The next prime is 128443429. The reversal of 128443411 is 114344821.

It is a strong prime.

It is an emirp because it is prime and its reverse (114344821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128443411 - 2¹¹ = 128441363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128443411.

It is not a weakly prime, because it can be changed into another prime (128443481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64221705 + 64221706.

It is an arithmetic number, because the mean of its divisors is an integer number (64221706).

Almost surely, 2^128443411 is an apocalyptic number.

128443411 is a deficient number, since it is larger than the sum of its proper divisors (1).

128443411 is an equidigital number, since it uses as much as digits as its factorization.

128443411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 128443411 is about 11333.2877401044. The cubic root of 128443411 is about 504.5496897437.

The spelling of 128443411 in words is "one hundred twenty-eight million, four hundred forty-three thousand, four hundred eleven".