125126606563 has 8 divisors (see below), whose sum is σ = 143004108128. Its totient is φ = 107249673024.

The previous prime is 125126606533. The next prime is 125126606581. The reversal of 125126606563 is 365606621521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125126606563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125126606513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564145 + ... + 753997.

It is an arithmetic number, because the mean of its divisors is an integer number (17875513516).

Almost surely, 2^125126606563 is an apocalyptic number.

125126606563 is a deficient number, since it is larger than the sum of its proper divisors (17877501565).

125126606563 is an equidigital number, since it uses as much as digits as its factorization.

125126606563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284013.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 125126606563 in words is "one hundred twenty-five billion, one hundred twenty-six million, six hundred six thousand, five hundred sixty-three".