128235158927 has 2 divisors, whose sum is σ = 128235158928. Its totient is φ = 128235158926.

The previous prime is 128235158867. The next prime is 128235158951. The reversal of 128235158927 is 729851532821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128235158927 - 2²⁰ = 128234110351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128235158027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64117579463 + 64117579464.

It is an arithmetic number, because the mean of its divisors is an integer number (64117579464).

Almost surely, 2^128235158927 is an apocalyptic number.

128235158927 is a deficient number, since it is larger than the sum of its proper divisors (1).

128235158927 is an equidigital number, since it uses as much as digits as its factorization.

128235158927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 53.

The spelling of 128235158927 in words is "one hundred twenty-eight billion, two hundred thirty-five million, one hundred fifty-eight thousand, nine hundred twenty-seven".