126803837439841 has 3 divisors (see below), whose sum is σ = 126803848700563. Its totient is φ = 126803826179120.

The previous prime is 126803837439823. The next prime is 126803837439919. The reversal of 126803837439841 is 148934738308621.

The square root of 126803837439841 is 11260721.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 35754073439841 + 91049764000000 = 5979471^2 + 9542000^2 .

It is not a de Polignac number, because 126803837439841 - 2⁵ = 126803837439809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126803837439541) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5630361 + ... + 16891081.

Almost surely, 2^{126803837439841} is an apocalyptic number.

126803837439841 is the 11260721-st square number.

126803837439841 is the 5630361-st centered octagonal number.

It is an amenable number.

126803837439841 is a deficient number, since it is larger than the sum of its proper divisors (11260722).

126803837439841 is an frugal number, since it uses more digits than its factorization.

126803837439841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521442 (or 11260721 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 67.

The spelling of 126803837439841 in words is "one hundred twenty-six trillion, eight hundred three billion, eight hundred thirty-seven million, four hundred thirty-nine thousand, eight hundred forty-one".