206126001 has 12 divisors (see below), whose sum is σ = 305785012. Its totient is φ = 133703136.

The previous prime is 206125967. The next prime is 206126009. The reversal of 206126001 is 100621602.

It is a happy number.

206126001 is a `hidden beast` number, since 2 + 0 + 61 + 2 + 600 + 1 = 666.

206126001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 122677776 + 83448225 = 11076^2 + 9135^2 .

It is not a de Polignac number, because 206126001 - 2⁶ = 206125937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206126009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309166 + ... + 309831.

Almost surely, 2^206126001 is an apocalyptic number.

It is an amenable number.

206126001 is a deficient number, since it is larger than the sum of its proper divisors (99659011).

206126001 is a wasteful number, since it uses less digits than its factorization.

206126001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619040 (or 619037 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 206126001 is about 14357.0888762311. The cubic root of 206126001 is about 590.7144471568.

Adding to 206126001 its reverse (100621602), we get a palindrome (306747603).

The spelling of 206126001 in words is "two hundred six million, one hundred twenty-six thousand, one".