128351226 has 8 divisors (see below), whose sum is σ = 256702464. Its totient is φ = 42783740.

The previous prime is 128351183. The next prime is 128351231. The reversal of 128351226 is 622153821.

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

128351226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 128351193 and 128351202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10695930 + ... + 10695941.

It is an arithmetic number, because the mean of its divisors is an integer number (32087808).

Almost surely, 2^128351226 is an apocalyptic number.

128351226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128351226 is a wasteful number, since it uses less digits than its factorization.

128351226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391876.

The product of its digits is 5760, while the sum is 30.

The square root of 128351226 is about 11329.2200084560. The cubic root of 128351226 is about 504.4289542266.

The spelling of 128351226 in words is "one hundred twenty-eight million, three hundred fifty-one thousand, two hundred twenty-six".