206400127 has 8 divisors (see below), whose sum is σ = 210743120. Its totient is φ = 202098240.

The previous prime is 206400119. The next prime is 206400157. The reversal of 206400127 is 721004602.

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 206400127 - 2³ = 206400119 is a prime.

It is a super-2 number, since 2×206400127² = 85202024851232258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206400098 and 206400107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206400157) 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 7 ways as a sum of consecutive naturals, for example, 24 + ... + 20317.

It is an arithmetic number, because the mean of its divisors is an integer number (26342890).

Almost surely, 2^206400127 is an apocalyptic number.

206400127 is a deficient number, since it is larger than the sum of its proper divisors (4342993).

206400127 is a wasteful number, since it uses less digits than its factorization.

206400127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 206400127 is about 14366.6324168192. The cubic root of 206400127 is about 590.9761939481.

Adding to 206400127 its reverse (721004602), we get a palindrome (927404729).

The spelling of 206400127 in words is "two hundred six million, four hundred thousand, one hundred twenty-seven".