2005122 has 16 divisors (see below), whose sum is σ = 4583232. Its totient is φ = 572880.

The previous prime is 2005121. The next prime is 2005139. The reversal of 2005122 is 2215002.

It is a junction number, because it is equal to n+sod(n) for n = 2005098 and 2005107.

It is not an unprimeable number, because it can be changed into a prime (2005121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23829 + ... + 23912.

It is an arithmetic number, because the mean of its divisors is an integer number (286452).

2^2005122 is an apocalyptic number.

2005122 is an abundant number, since it is smaller than the sum of its proper divisors (2578110).

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

2005122 is a wasteful number, since it uses less digits than its factorization.

2005122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47753.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2005122 is about 1416.0233048930. The cubic root of 2005122 is about 126.0995685639.

The spelling of 2005122 in words is "two million, five thousand, one hundred twenty-two".