200122105 has 4 divisors (see below), whose sum is σ = 240146532. Its totient is φ = 160097680.

The previous prime is 200122093. The next prime is 200122121. The reversal of 200122105 is 501221002.

200122105 = 4469² + 4470² + ... + 4478².

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 37100281 + 163021824 = 6091^2 + 12768^2 .

It is not a de Polignac number, because 200122105 - 2⁵ = 200122073 is a prime.

It is a Duffinian 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, 20012206 + ... + 20012215.

It is an arithmetic number, because the mean of its divisors is an integer number (60036633).

Almost surely, 2^200122105 is an apocalyptic number.

It is an amenable number.

200122105 is a deficient number, since it is larger than the sum of its proper divisors (40024427).

200122105 is an equidigital number, since it uses as much as digits as its factorization.

200122105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40024426.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 200122105 is about 14146.4520286890. The cubic root of 200122105 is about 584.9225358261.

Adding to 200122105 its reverse (501221002), we get a palindrome (701343107).

The spelling of 200122105 in words is "two hundred million, one hundred twenty-two thousand, one hundred five".