125271010447 has 48 divisors (see below), whose sum is σ = 145932451840. Its totient is φ = 107304912000.

The previous prime is 125271010429. The next prime is 125271010453. The reversal of 125271010447 is 744010172521.

It is a de Polignac number, because none of the positive numbers 2^k-125271010447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125271010477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21629122 + ... + 21634912.

Almost surely, 2^125271010447 is an apocalyptic number.

125271010447 is a deficient number, since it is larger than the sum of its proper divisors (20661441393).

125271010447 is a wasteful number, since it uses less digits than its factorization.

125271010447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996 (or 5985 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

Adding to 125271010447 its reverse (744010172521), we get a palindrome (869281182968).

The spelling of 125271010447 in words is "one hundred twenty-five billion, two hundred seventy-one million, ten thousand, four hundred forty-seven".