128455363 has 2 divisors, whose sum is σ = 128455364. Its totient is φ = 128455362.

The previous prime is 128455339. The next prime is 128455367. The reversal of 128455363 is 363554821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128455363 - 2¹³ = 128447171 is a prime.

It is not a weakly prime, because it can be changed into another prime (128455367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64227681 + 64227682.

It is an arithmetic number, because the mean of its divisors is an integer number (64227682).

Almost surely, 2^128455363 is an apocalyptic number.

128455363 is a deficient number, since it is larger than the sum of its proper divisors (1).

128455363 is an equidigital number, since it uses as much as digits as its factorization.

128455363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 128455363 is about 11333.8150240773. The cubic root of 128455363 is about 504.5653391538.

The spelling of 128455363 in words is "one hundred twenty-eight million, four hundred fifty-five thousand, three hundred sixty-three".