126476234751 has 4 divisors (see below), whose sum is σ = 168634979672. Its totient is φ = 84317489832.

The previous prime is 126476234747. The next prime is 126476234777. The reversal of 126476234751 is 157432674621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157432674621 = 3 ⋅52477558207.

It is not a de Polignac number, because 126476234751 - 2² = 126476234747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126476234751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126476234711) 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, 21079372456 + ... + 21079372461.

It is an arithmetic number, because the mean of its divisors is an integer number (42158744918).

Almost surely, 2^126476234751 is an apocalyptic number.

126476234751 is a deficient number, since it is larger than the sum of its proper divisors (42158744921).

126476234751 is an equidigital number, since it uses as much as digits as its factorization.

126476234751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42158744920.

The product of its digits is 1693440, while the sum is 48.

The spelling of 126476234751 in words is "one hundred twenty-six billion, four hundred seventy-six million, two hundred thirty-four thousand, seven hundred fifty-one".