126204127 has 16 divisors (see below), whose sum is σ = 147225600. Its totient is φ = 105945120.

The previous prime is 126204121. The next prime is 126204161. The reversal of 126204127 is 721402621.

It is not a de Polignac number, because 126204127 - 2³ = 126204119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126204121) 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 15 ways as a sum of consecutive naturals, for example, 177649 + ... + 178357.

It is an arithmetic number, because the mean of its divisors is an integer number (9201600).

Almost surely, 2^126204127 is an apocalyptic number.

126204127 is a deficient number, since it is larger than the sum of its proper divisors (21021473).

126204127 is an equidigital number, since it uses as much as digits as its factorization.

126204127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 126204127 is about 11234.0610199518. The cubic root of 126204127 is about 501.6003748025.

Adding to 126204127 its reverse (721402621), we get a palindrome (847606748).

The spelling of 126204127 in words is "one hundred twenty-six million, two hundred four thousand, one hundred twenty-seven".