128625322 has 8 divisors (see below), whose sum is σ = 220500576. Its totient is φ = 55125132.

The previous prime is 128625319. The next prime is 128625331. The reversal of 128625322 is 223526821.

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

It is a plaindrome in base 16.

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, 4593748 + ... + 4593775.

It is an arithmetic number, because the mean of its divisors is an integer number (27562572).

Almost surely, 2^128625322 is an apocalyptic number.

128625322 is a deficient number, since it is larger than the sum of its proper divisors (91875254).

128625322 is an equidigital number, since it uses as much as digits as its factorization.

128625322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187532.

The product of its digits is 11520, while the sum is 31.

The square root of 128625322 is about 11341.3104181131. The cubic root of 128625322 is about 504.7877708357.

The spelling of 128625322 in words is "one hundred twenty-eight million, six hundred twenty-five thousand, three hundred twenty-two".