128455367 has 2 divisors, whose sum is σ = 128455368. Its totient is φ = 128455366.

The previous prime is 128455363. The next prime is 128455373. The reversal of 128455367 is 763554821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128455367 - 2² = 128455363 is a prime.

It is a super-2 number, since 2×128455367² = 33001562622209378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128455363) 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, 64227683 + 64227684.

It is an arithmetic number, because the mean of its divisors is an integer number (64227684).

Almost surely, 2^128455367 is an apocalyptic number.

128455367 is a deficient number, since it is larger than the sum of its proper divisors (1).

128455367 is an equidigital number, since it uses as much as digits as its factorization.

128455367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 128455367 is about 11333.8152005404. The cubic root of 128455367 is about 504.5653443911.

The spelling of 128455367 in words is "one hundred twenty-eight million, four hundred fifty-five thousand, three hundred sixty-seven".