128608252903 has 8 divisors (see below), whose sum is σ = 138533912496. Its totient is φ = 118687267200.

The previous prime is 128608252901. The next prime is 128608252907. The reversal of 128608252903 is 309252806821.

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

It is a cyclic number.

It is not a de Polignac number, because 128608252903 - 2¹ = 128608252901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128608252901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111213 + ... + 1221478.

It is an arithmetic number, because the mean of its divisors is an integer number (17316739062).

Almost surely, 2^128608252903 is an apocalyptic number.

128608252903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

128608252903 is a deficient number, since it is larger than the sum of its proper divisors (9925659593).

128608252903 is a wasteful number, since it uses less digits than its factorization.

128608252903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336945.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 128608252903 in words is "one hundred twenty-eight billion, six hundred eight million, two hundred fifty-two thousand, nine hundred three".