128422707519 has 32 divisors (see below), whose sum is σ = 180632700864. Its totient is φ = 81050526720.

The previous prime is 128422707463. The next prime is 128422707527. The reversal of 128422707519 is 915707224821.

It is not a de Polignac number, because 128422707519 - 2¹¹ = 128422705471 is a prime.

It is a super-2 number, since 2×128422707519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128422717519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1659697 + ... + 1735349.

It is an arithmetic number, because the mean of its divisors is an integer number (5644771902).

Almost surely, 2^128422707519 is an apocalyptic number.

128422707519 is a deficient number, since it is larger than the sum of its proper divisors (52209993345).

128422707519 is a wasteful number, since it uses less digits than its factorization.

128422707519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76107.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 128422707519 in words is "one hundred twenty-eight billion, four hundred twenty-two million, seven hundred seven thousand, five hundred nineteen".