128210463 has 24 divisors (see below), whose sum is σ = 190148400. Its totient is φ = 83217024.

The previous prime is 128210419. The next prime is 128210519. The reversal of 128210463 is 364012821.

It is not a de Polignac number, because 128210463 - 2⁹ = 128209951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128210263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52473 + ... + 54861.

It is an arithmetic number, because the mean of its divisors is an integer number (7922850).

Almost surely, 2^128210463 is an apocalyptic number.

128210463 is a deficient number, since it is larger than the sum of its proper divisors (61937937).

128210463 is a wasteful number, since it uses less digits than its factorization.

128210463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 128210463 is about 11323.0059171582. The cubic root of 128210463 is about 504.2444840868.

The spelling of 128210463 in words is "one hundred twenty-eight million, two hundred ten thousand, four hundred sixty-three".