206115001 has 8 divisors (see below), whose sum is σ = 212984064. Its totient is φ = 199259760.

The previous prime is 206114971. The next prime is 206115047. The reversal of 206115001 is 100511602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206115001 - 2⁷ = 206114873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206115061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33195 + ... + 38911.

It is an arithmetic number, because the mean of its divisors is an integer number (26623008).

Almost surely, 2^206115001 is an apocalyptic number.

It is an amenable number.

206115001 is a deficient number, since it is larger than the sum of its proper divisors (6869063).

206115001 is a wasteful number, since it uses less digits than its factorization.

206115001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 206115001 is about 14356.7057851027. The cubic root of 206115001 is about 590.7039390623.

Adding to 206115001 its reverse (100511602), we get a palindrome (306626603).

The spelling of 206115001 in words is "two hundred six million, one hundred fifteen thousand, one".