128803651127 has 8 divisors (see below), whose sum is σ = 135586901760. Its totient is φ = 122020811640.

The previous prime is 128803651111. The next prime is 128803651133. The reversal of 128803651127 is 721156308821.

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 128803651127 - 2⁴ = 128803651111 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 (128803651727) 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, 701852 + ... + 866142.

It is an arithmetic number, because the mean of its divisors is an integer number (16948362720).

Almost surely, 2^128803651127 is an apocalyptic number.

128803651127 is a deficient number, since it is larger than the sum of its proper divisors (6783250633).

128803651127 is a wasteful number, since it uses less digits than its factorization.

128803651127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205573.

The product of its (nonzero) digits is 161280, while the sum is 44.

Adding to 128803651127 its reverse (721156308821), we get a palindrome (849959959948).

The spelling of 128803651127 in words is "one hundred twenty-eight billion, eight hundred three million, six hundred fifty-one thousand, one hundred twenty-seven".