128413622 has 8 divisors (see below), whose sum is σ = 194527872. Its totient is φ = 63571000.

The previous prime is 128413619. The next prime is 128413633. The reversal of 128413622 is 226314821.

It is a happy number.

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

It is a congruent number.

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, 317654 + ... + 318057.

It is an arithmetic number, because the mean of its divisors is an integer number (24315984).

Almost surely, 2^128413622 is an apocalyptic number.

128413622 is a deficient number, since it is larger than the sum of its proper divisors (66114250).

128413622 is a wasteful number, since it uses less digits than its factorization.

128413622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635814.

The product of its digits is 4608, while the sum is 29.

The square root of 128413622 is about 11331.9734380204. The cubic root of 128413622 is about 504.5106811440.

The spelling of 128413622 in words is "one hundred twenty-eight million, four hundred thirteen thousand, six hundred twenty-two".