128825183 has 2 divisors, whose sum is σ = 128825184. Its totient is φ = 128825182.

The previous prime is 128825171. The next prime is 128825227. The reversal of 128825183 is 381528821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128825183 - 2¹⁰ = 128824159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128825113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64412591 + 64412592.

It is an arithmetic number, because the mean of its divisors is an integer number (64412592).

Almost surely, 2^128825183 is an apocalyptic number.

128825183 is a deficient number, since it is larger than the sum of its proper divisors (1).

128825183 is an equidigital number, since it uses as much as digits as its factorization.

128825183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 38.

The square root of 128825183 is about 11350.1181932172. The cubic root of 128825183 is about 505.0490858407.

The spelling of 128825183 in words is "one hundred twenty-eight million, eight hundred twenty-five thousand, one hundred eighty-three".