128512883 has 2 divisors, whose sum is σ = 128512884. Its totient is φ = 128512882.

The previous prime is 128512861. The next prime is 128512889. The reversal of 128512883 is 388215821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128512883 - 2¹⁸ = 128250739 is a prime.

It is a super-2 number, since 2×128512883² = 33031122193943378, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (128512889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64256441 + 64256442.

It is an arithmetic number, because the mean of its divisors is an integer number (64256442).

Almost surely, 2^128512883 is an apocalyptic number.

128512883 is a deficient number, since it is larger than the sum of its proper divisors (1).

128512883 is an equidigital number, since it uses as much as digits as its factorization.

128512883 is an odious number, because the sum of its binary digits is odd.

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

The square root of 128512883 is about 11336.3522792828. The cubic root of 128512883 is about 504.6406396753.

The spelling of 128512883 in words is "one hundred twenty-eight million, five hundred twelve thousand, eight hundred eighty-three".