201230122 has 12 divisors (see below), whose sum is σ = 320646150. Its totient is φ = 94696256.

The previous prime is 201230093. The next prime is 201230129. The reversal of 201230122 is 221032102.

It can be written as a sum of positive squares in 3 ways, for example, as 185477161 + 15752961 = 13619^2 + 3969^2 .

It is not an unprimeable number, because it can be changed into a prime (201230129) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 173497 + ... + 174652.

Almost surely, 2^201230122 is an apocalyptic number.

201230122 is a deficient number, since it is larger than the sum of its proper divisors (119416028).

201230122 is a wasteful number, since it uses less digits than its factorization.

201230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348185 (or 348168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201230122 is about 14185.5603343682. The cubic root of 201230122 is about 586.0000640660. Note that the first 4 decimals are identical.

Adding to 201230122 its reverse (221032102), we get a palindrome (422262224).

The spelling of 201230122 in words is "two hundred one million, two hundred thirty thousand, one hundred twenty-two".