128800541 has 2 divisors, whose sum is σ = 128800542. Its totient is φ = 128800540.

The previous prime is 128800531. The next prime is 128800559. The reversal of 128800541 is 145008821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125664100 + 3136441 = 11210^2 + 1771^2 .

It is an emirp because it is prime and its reverse (145008821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128800541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128800531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64400270 + 64400271.

It is an arithmetic number, because the mean of its divisors is an integer number (64400271).

Almost surely, 2^128800541 is an apocalyptic number.

It is an amenable number.

128800541 is a deficient number, since it is larger than the sum of its proper divisors (1).

128800541 is an equidigital number, since it uses as much as digits as its factorization.

128800541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 128800541 is about 11349.0326019445. The cubic root of 128800541 is about 505.0168814407.

The spelling of 128800541 in words is "one hundred twenty-eight million, eight hundred thousand, five hundred forty-one".