122844005 has 4 divisors (see below), whose sum is σ = 147412812. Its totient is φ = 98275200.

The previous prime is 122843999. The next prime is 122844017. The reversal of 122844005 is 500448221.

It is a happy number.

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 52519009 + 70324996 = 7247^2 + 8386^2 .

It is not a de Polignac number, because 122844005 - 2¹⁸ = 122581861 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 12284396 + ... + 12284405.

It is an arithmetic number, because the mean of its divisors is an integer number (36853203).

Almost surely, 2^122844005 is an apocalyptic number.

It is an amenable number.

122844005 is a deficient number, since it is larger than the sum of its proper divisors (24568807).

122844005 is an equidigital number, since it uses as much as digits as its factorization.

122844005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24568806.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 122844005 is about 11083.5014774213. The cubic root of 122844005 is about 497.1086524471.

The spelling of 122844005 in words is "one hundred twenty-two million, eight hundred forty-four thousand, five".