128601187124 has 12 divisors (see below), whose sum is σ = 225143319744. Its totient is φ = 64274524344.

The previous prime is 128601187111. The next prime is 128601187133. The reversal of 128601187124 is 421781106821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6506204 + ... + 6525939.

It is an arithmetic number, because the mean of its divisors is an integer number (18761943312).

Almost surely, 2^128601187124 is an apocalyptic number.

It is an amenable number.

128601187124 is a deficient number, since it is larger than the sum of its proper divisors (96542132620).

128601187124 is a wasteful number, since it uses less digits than its factorization.

128601187124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13034614 (or 13034612 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 128601187124 in words is "one hundred twenty-eight billion, six hundred one million, one hundred eighty-seven thousand, one hundred twenty-four".