128268326 has 8 divisors (see below), whose sum is σ = 192483120. Its totient is φ = 64107288.

The previous prime is 128268323. The next prime is 128268341. The reversal of 128268326 is 623862821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 128268326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128268323) 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, 6821 + ... + 17408.

It is an arithmetic number, because the mean of its divisors is an integer number (24060390).

Almost surely, 2^128268326 is an apocalyptic number.

128268326 is a deficient number, since it is larger than the sum of its proper divisors (64214794).

128268326 is a wasteful number, since it uses less digits than its factorization.

128268326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26878.

The product of its digits is 55296, while the sum is 38.

The square root of 128268326 is about 11325.5607366700. The cubic root of 128268326 is about 504.3203299777.

The spelling of 128268326 in words is "one hundred twenty-eight million, two hundred sixty-eight thousand, three hundred twenty-six".