126134122001 has 4 divisors (see below), whose sum is σ = 127127304192. Its totient is φ = 125140939812.

The previous prime is 126134121989. The next prime is 126134122033. The reversal of 126134122001 is 100221431621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100221431621 = 67 ⋅1495842263.

It is a cyclic number.

It is not a de Polignac number, because 126134122001 - 2⁶ = 126134121937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126134122201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496590905 + ... + 496591158.

It is an arithmetic number, because the mean of its divisors is an integer number (31781826048).

Almost surely, 2^126134122001 is an apocalyptic number.

It is an amenable number.

126134122001 is a deficient number, since it is larger than the sum of its proper divisors (993182191).

126134122001 is an equidigital number, since it uses as much as digits as its factorization.

126134122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993182190.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 126134122001 its reverse (100221431621), we get a palindrome (226355553622).

The spelling of 126134122001 in words is "one hundred twenty-six billion, one hundred thirty-four million, one hundred twenty-two thousand, one".