128008071004 has 24 divisors (see below), whose sum is σ = 244533945600. Its totient is φ = 58148605680.

The previous prime is 128008071001. The next prime is 128008071041. The reversal of 128008071004 is 400170800821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128008071001) 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, 851764 + ... + 990715.

It is an arithmetic number, because the mean of its divisors is an integer number (10188914400).

Almost surely, 2^128008071004 is an apocalyptic number.

It is an amenable number.

128008071004 is a deficient number, since it is larger than the sum of its proper divisors (116525874596).

128008071004 is a wasteful number, since it uses less digits than its factorization.

128008071004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844073 (or 1844071 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 128008071004 its reverse (400170800821), we get a palindrome (528178871825).

The spelling of 128008071004 in words is "one hundred twenty-eight billion, eight million, seventy-one thousand, four".