126834731825 has 12 divisors (see below), whose sum is σ = 161525746140. Its totient is φ = 98725412160.

The previous prime is 126834731759. The next prime is 126834731867. The reversal of 126834731825 is 528137438621.

It can be written as a sum of positive squares in 6 ways, for example, as 14312054689 + 112522677136 = 119633^2 + 335444^2 .

It is not a de Polignac number, because 126834731825 - 2¹⁰ = 126834730801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68558390 + ... + 68560239.

It is an arithmetic number, because the mean of its divisors is an integer number (13460478845).

Almost surely, 2^126834731825 is an apocalyptic number.

It is an amenable number.

126834731825 is a deficient number, since it is larger than the sum of its proper divisors (34691014315).

126834731825 is a wasteful number, since it uses less digits than its factorization.

126834731825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137118676 (or 137118671 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The spelling of 126834731825 in words is "one hundred twenty-six billion, eight hundred thirty-four million, seven hundred thirty-one thousand, eight hundred twenty-five".