126263750125 has 8 divisors (see below), whose sum is σ = 157577160312. Its totient is φ = 101011000000.

The previous prime is 126263750113. The next prime is 126263750147. The reversal of 126263750125 is 521057362621.

It can be written as a sum of positive squares in 4 ways, for example, as 28893540361 + 97370209764 = 169981^2 + 312042^2 .

It is not a de Polignac number, because 126263750125 - 2¹⁵ = 126263717357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505054876 + ... + 505055125.

It is an arithmetic number, because the mean of its divisors is an integer number (19697145039).

Almost surely, 2^126263750125 is an apocalyptic number.

It is an amenable number.

126263750125 is a deficient number, since it is larger than the sum of its proper divisors (31313410187).

126263750125 is an equidigital number, since it uses as much as digits as its factorization.

126263750125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010110016 (or 1010110006 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 126263750125 in words is "one hundred twenty-six billion, two hundred sixty-three million, seven hundred fifty thousand, one hundred twenty-five".