128366234107 has 8 divisors (see below), whose sum is σ = 129379554000. Its totient is φ = 127354020864.

The previous prime is 128366234089. The next prime is 128366234111. The reversal of 128366234107 is 701432663821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128366234107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128366234177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42982 + ... + 508507.

It is an arithmetic number, because the mean of its divisors is an integer number (16172444250).

Almost surely, 2^128366234107 is an apocalyptic number.

128366234107 is a deficient number, since it is larger than the sum of its proper divisors (1013319893).

128366234107 is a wasteful number, since it uses less digits than its factorization.

128366234107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553325.

The product of its (nonzero) digits is 290304, while the sum is 43.

Adding to 128366234107 its reverse (701432663821), we get a palindrome (829798897928).

The spelling of 128366234107 in words is "one hundred twenty-eight billion, three hundred sixty-six million, two hundred thirty-four thousand, one hundred seven".