128017453 has 2 divisors, whose sum is σ = 128017454. Its totient is φ = 128017452.

The previous prime is 128017451. The next prime is 128017469. The reversal of 128017453 is 354710821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97081609 + 30935844 = 9853^2 + 5562^2 .

It is a cyclic number.

It is not a de Polignac number, because 128017453 - 2¹ = 128017451 is a prime.

Together with 128017451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128017451) 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, 64008726 + 64008727.

It is an arithmetic number, because the mean of its divisors is an integer number (64008727).

Almost surely, 2^128017453 is an apocalyptic number.

It is an amenable number.

128017453 is a deficient number, since it is larger than the sum of its proper divisors (1).

128017453 is an equidigital number, since it uses as much as digits as its factorization.

128017453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 128017453 is about 11314.4797936096. The cubic root of 128017453 is about 503.9913245441.

The spelling of 128017453 in words is "one hundred twenty-eight million, seventeen thousand, four hundred fifty-three".