126305073201 has 24 divisors (see below), whose sum is σ = 172339536544. Its totient is φ = 82280877120.

The previous prime is 126305073187. The next prime is 126305073211. The reversal of 126305073201 is 102370503621.

It is not a de Polignac number, because 126305073201 - 2⁷ = 126305073073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126305073211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4246341 + ... + 4275981.

Almost surely, 2^126305073201 is an apocalyptic number.

It is an amenable number.

126305073201 is a deficient number, since it is larger than the sum of its proper divisors (46034463343).

126305073201 is an equidigital number, since it uses as much as digits as its factorization.

126305073201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30381 (or 30334 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 126305073201 its reverse (102370503621), we get a palindrome (228675576822).

The spelling of 126305073201 in words is "one hundred twenty-six billion, three hundred five million, seventy-three thousand, two hundred one".