125017006172 has 24 divisors (see below), whose sum is σ = 222562332720. Its totient is φ = 61428477440.

The previous prime is 125017006133. The next prime is 125017006187. The reversal of 125017006172 is 271600710521.

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, 630578 + ... + 804774.

It is an arithmetic number, because the mean of its divisors is an integer number (9273430530).

Almost surely, 2^125017006172 is an apocalyptic number.

It is an amenable number.

125017006172 is a deficient number, since it is larger than the sum of its proper divisors (97545326548).

125017006172 is a wasteful number, since it uses less digits than its factorization.

125017006172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177301 (or 177299 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 125017006172 its reverse (271600710521), we get a palindrome (396617716693).

The spelling of 125017006172 in words is "one hundred twenty-five billion, seventeen million, six thousand, one hundred seventy-two".