122445785 has 48 divisors (see below), whose sum is σ = 193560192. Its totient is φ = 72230400.

The previous prime is 122445779. The next prime is 122445797. The reversal of 122445785 is 587544221.

It is not a de Polignac number, because 122445785 - 2⁴ = 122445769 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 138545 + ... + 139425.

It is an arithmetic number, because the mean of its divisors is an integer number (4032504).

Almost surely, 2^122445785 is an apocalyptic number.

It is an amenable number.

122445785 is a deficient number, since it is larger than the sum of its proper divisors (71114407).

122445785 is a wasteful number, since it uses less digits than its factorization.

122445785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 923 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 122445785 is about 11065.5223554968. The cubic root of 122445785 is about 496.5709165349.

The spelling of 122445785 in words is "one hundred twenty-two million, four hundred forty-five thousand, seven hundred eighty-five".