122845585 has 4 divisors (see below), whose sum is σ = 147414708. Its totient is φ = 98276464.

The previous prime is 122845579. The next prime is 122845589. The reversal of 122845585 is 585548221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49434961 + 73410624 = 7031^2 + 8568^2 .

It is a cyclic number.

It is not a de Polignac number, because 122845585 - 2¹¹ = 122843537 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122845589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12284554 + ... + 12284563.

It is an arithmetic number, because the mean of its divisors is an integer number (36853677).

Almost surely, 2^122845585 is an apocalyptic number.

It is an amenable number.

122845585 is a deficient number, since it is larger than the sum of its proper divisors (24569123).

122845585 is an equidigital number, since it uses as much as digits as its factorization.

122845585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24569122.

The product of its digits is 128000, while the sum is 40.

The square root of 122845585 is about 11083.5727543063. The cubic root of 122845585 is about 497.1107836821.

The spelling of 122845585 in words is "one hundred twenty-two million, eight hundred forty-five thousand, five hundred eighty-five".