122836128 has 48 divisors (see below), whose sum is σ = 323033760. Its totient is φ = 40870656.

The previous prime is 122836097. The next prime is 122836183. The reversal of 122836128 is 821638221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83463 + ... + 84921.

It is an arithmetic number, because the mean of its divisors is an integer number (6729870).

Almost surely, 2^122836128 is an apocalyptic number.

It is an amenable number.

122836128 is an abundant number, since it is smaller than the sum of its proper divisors (200197632).

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

122836128 is a wasteful number, since it uses less digits than its factorization.

122836128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2341 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 122836128 is about 11083.1461237322. The cubic root of 122836128 is about 497.0980270241.

The spelling of 122836128 in words is "one hundred twenty-two million, eight hundred thirty-six thousand, one hundred twenty-eight".