125263621747 has 16 divisors (see below), whose sum is σ = 139009455360. Its totient is φ = 111911997600.

The previous prime is 125263621687. The next prime is 125263621753. The reversal of 125263621747 is 747126362521.

It is a cyclic number.

It is not a de Polignac number, because 125263621747 - 2²³ = 125255233139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125263621697 and 125263621706.

It is not an unprimeable number, because it can be changed into a prime (125263624747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251153 + ... + 2306125.

It is an arithmetic number, because the mean of its divisors is an integer number (8688090960).

Almost surely, 2^125263621747 is an apocalyptic number.

125263621747 is a deficient number, since it is larger than the sum of its proper divisors (13745833613).

125263621747 is a wasteful number, since it uses less digits than its factorization.

125263621747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58554.

The product of its digits is 846720, while the sum is 46.

The spelling of 125263621747 in words is "one hundred twenty-five billion, two hundred sixty-three million, six hundred twenty-one thousand, seven hundred forty-seven".