206124201 has 24 divisors (see below), whose sum is σ = 317293704. Its totient is φ = 128494080.

The previous prime is 206124197. The next prime is 206124203. The reversal of 206124201 is 102421602.

206124201 = 2750² + 2751² + ... + 2776².

It can be written as a sum of positive squares in 4 ways, for example, as 488601 + 205635600 = 699^2 + 14340^2 .

It is not a de Polignac number, because 206124201 - 2² = 206124197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206124203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19731 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (13220571).

Almost surely, 2^206124201 is an apocalyptic number.

It is an amenable number.

206124201 is a deficient number, since it is larger than the sum of its proper divisors (111169503).

206124201 is a wasteful number, since it uses less digits than its factorization.

206124201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761 (or 8758 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 206124201 is about 14357.0261892914. The cubic root of 206124201 is about 590.7127276760.

Adding to 206124201 its reverse (102421602), we get a palindrome (308545803).

It can be divided in two parts, 2061 and 24201, that added together give a palindrome (26262).

The spelling of 206124201 in words is "two hundred six million, one hundred twenty-four thousand, two hundred one".