2017842107128 has 32 divisors (see below), whose sum is σ = 3838728987360. Its totient is φ = 994195762560.

The previous prime is 2017842107033. The next prime is 2017842107159. The reversal of 2017842107128 is 8217012487102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179026 + ... + 2016862.

It is an arithmetic number, because the mean of its divisors is an integer number (119960280855).

Almost surely, 2^{2017842107128} is an apocalyptic number.

It is an amenable number.

2017842107128 is a deficient number, since it is larger than the sum of its proper divisors (1820886880232).

2017842107128 is a wasteful number, since it uses less digits than its factorization.

2017842107128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839847 (or 1839843 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 2017842107128 in words is "two trillion, seventeen billion, eight hundred forty-two million, one hundred seven thousand, one hundred twenty-eight".