126106912563 has 8 divisors (see below), whose sum is σ = 168238474128. Its totient is φ = 84023313024.

The previous prime is 126106912559. The next prime is 126106912609. The reversal of 126106912563 is 365219601621.

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

It is not a de Polignac number, because 126106912563 - 2² = 126106912559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126106911563) 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, 11984370 + ... + 11994887.

It is an arithmetic number, because the mean of its divisors is an integer number (21029809266).

Almost surely, 2^126106912563 is an apocalyptic number.

126106912563 is a deficient number, since it is larger than the sum of its proper divisors (42131561565).

126106912563 is a wasteful number, since it uses less digits than its factorization.

126106912563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23981013.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 126106912563 in words is "one hundred twenty-six billion, one hundred six million, nine hundred twelve thousand, five hundred sixty-three".