128567841244 has 12 divisors (see below), whose sum is σ = 232752126600. Its totient is φ = 62067233648.

The previous prime is 128567841239. The next prime is 128567841251. The reversal of 128567841244 is 442148765821.

It is a junction number, because it is equal to n+sod(n) for n = 128567841191 and 128567841200.

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, 554171614 + ... + 554171845.

It is an arithmetic number, because the mean of its divisors is an integer number (19396010550).

Almost surely, 2^128567841244 is an apocalyptic number.

It is an amenable number.

128567841244 is a deficient number, since it is larger than the sum of its proper divisors (104184285356).

128567841244 is a wasteful number, since it uses less digits than its factorization.

128567841244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108343492 (or 1108343490 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 52.

The spelling of 128567841244 in words is "one hundred twenty-eight billion, five hundred sixty-seven million, eight hundred forty-one thousand, two hundred forty-four".