128226160 has 20 divisors (see below), whose sum is σ = 298126008. Its totient is φ = 51290432.

The previous prime is 128226157. The next prime is 128226167. The reversal of 128226160 is 61622821.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128226167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801334 + ... + 801493.

Almost surely, 2^128226160 is an apocalyptic number.

128226160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128226160 is an abundant number, since it is smaller than the sum of its proper divisors (169899848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128226160 is a wasteful number, since it uses less digits than its factorization.

128226160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602840 (or 1602834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 128226160 is about 11323.6990422741. The cubic root of 128226160 is about 504.2650617175.

Adding to 128226160 its reverse (61622821), we get a palindrome (189848981).

The spelling of 128226160 in words is "one hundred twenty-eight million, two hundred twenty-six thousand, one hundred sixty".