128284801 has 2 divisors, whose sum is σ = 128284802. Its totient is φ = 128284800.

The previous prime is 128284759. The next prime is 128284813. The reversal of 128284801 is 108482821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 2822400 = 11201^2 + 1680^2 .

It is an emirp because it is prime and its reverse (108482821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128284801 - 2¹⁹ = 127760513 is a prime.

It is a super-3 number, since 3×128284801³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (128284831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64142400 + 64142401.

It is an arithmetic number, because the mean of its divisors is an integer number (64142401).

Almost surely, 2^128284801 is an apocalyptic number.

It is an amenable number.

128284801 is a deficient number, since it is larger than the sum of its proper divisors (1).

128284801 is an equidigital number, since it uses as much as digits as its factorization.

128284801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 128284801 is about 11326.2880503720. The cubic root of 128284801 is about 504.3419209711.

The spelling of 128284801 in words is "one hundred twenty-eight million, two hundred eighty-four thousand, eight hundred one".