128826268 has 12 divisors (see below), whose sum is σ = 225540952. Its totient is φ = 64386000.

The previous prime is 128826233. The next prime is 128826277. The reversal of 128826268 is 862628821.

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, 7018 + ... + 17518.

Almost surely, 2^128826268 is an apocalyptic number.

It is an amenable number.

128826268 is a deficient number, since it is larger than the sum of its proper divisors (96714684).

128826268 is a wasteful number, since it uses less digits than its factorization.

128826268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13572 (or 13570 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 128826268 is about 11350.1659899757. The cubic root of 128826268 is about 505.0505037227.

It can be divided in two parts, 1288 and 26268, that added together give a square (27556 = 166²).

The spelling of 128826268 in words is "one hundred twenty-eight million, eight hundred twenty-six thousand, two hundred sixty-eight".