128822061 has 8 divisors (see below), whose sum is σ = 173937280. Its totient is φ = 84794112.

The previous prime is 128822017. The next prime is 128822087. The reversal of 128822061 is 160228821.

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

It is not a de Polignac number, because 128822061 - 2⁷ = 128821933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128822461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271540 + ... + 272013.

It is an arithmetic number, because the mean of its divisors is an integer number (21742160).

Almost surely, 2^128822061 is an apocalyptic number.

It is an amenable number.

128822061 is a deficient number, since it is larger than the sum of its proper divisors (45115219).

128822061 is an equidigital number, since it uses as much as digits as its factorization.

128822061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543635.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 128822061 is about 11349.9806607765. The cubic root of 128822061 is about 505.0450059553.

The spelling of 128822061 in words is "one hundred twenty-eight million, eight hundred twenty-two thousand, sixty-one".