128002705046 has 8 divisors (see below), whose sum is σ = 200352060144. Its totient is φ = 61218685000.

The previous prime is 128002705037. The next prime is 128002705057. The reversal of 128002705046 is 640507200821.

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

It is a junction number, because it is equal to n+sod(n) for n = 128002704997 and 128002705015.

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, 1391333705 + ... + 1391333796.

It is an arithmetic number, because the mean of its divisors is an integer number (25044007518).

Almost surely, 2^128002705046 is an apocalyptic number.

128002705046 is a deficient number, since it is larger than the sum of its proper divisors (72349355098).

128002705046 is a wasteful number, since it uses less digits than its factorization.

128002705046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782667526.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 128002705046 its reverse (640507200821), we get a palindrome (768509905867).

The spelling of 128002705046 in words is "one hundred twenty-eight billion, two million, seven hundred five thousand, forty-six".