128041226 has 8 divisors (see below), whose sum is σ = 192190944. Its totient is φ = 63977580.

The previous prime is 128041223. The next prime is 128041231. The reversal of 128041226 is 622140821.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 128041195 and 128041204.

It is not an unprimeable number, because it can be changed into a prime (128041223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17660 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (24023868).

Almost surely, 2^128041226 is an apocalyptic number.

128041226 is a deficient number, since it is larger than the sum of its proper divisors (64149718).

128041226 is a wasteful number, since it uses less digits than its factorization.

128041226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43036.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 128041226 is about 11315.5303013160. The cubic root of 128041226 is about 504.0225198848.

The spelling of 128041226 in words is "one hundred twenty-eight million, forty-one thousand, two hundred twenty-six".