128625763 has 8 divisors (see below), whose sum is σ = 154737920. Its totient is φ = 104447880.

The previous prime is 128625713. The next prime is 128625769. The reversal of 128625763 is 367526821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128625763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128625769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483423 + ... + 483688.

It is an arithmetic number, because the mean of its divisors is an integer number (19342240).

Almost surely, 2^128625763 is an apocalyptic number.

128625763 is a deficient number, since it is larger than the sum of its proper divisors (26112157).

128625763 is an equidigital number, since it uses as much as digits as its factorization.

128625763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967137.

The product of its digits is 120960, while the sum is 40.

The square root of 128625763 is about 11341.3298602942. The cubic root of 128625763 is about 504.7883477339.

The spelling of 128625763 in words is "one hundred twenty-eight million, six hundred twenty-five thousand, seven hundred sixty-three".