126563727201 has 16 divisors (see below), whose sum is σ = 169575540288. Its totient is φ = 83963980800.

The previous prime is 126563727167. The next prime is 126563727211. The reversal of 126563727201 is 102727365621.

It is not a de Polignac number, because 126563727201 - 2⁹ = 126563726689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126563727211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7993845 + ... + 8009661.

It is an arithmetic number, because the mean of its divisors is an integer number (10598471268).

Almost surely, 2^126563727201 is an apocalyptic number.

It is an amenable number.

126563727201 is a deficient number, since it is larger than the sum of its proper divisors (43011813087).

126563727201 is a wasteful number, since it uses less digits than its factorization.

126563727201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28672.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 126563727201 in words is "one hundred twenty-six billion, five hundred sixty-three million, seven hundred twenty-seven thousand, two hundred one".