125122725273 has 16 divisors (see below), whose sum is σ = 205329600896. Its totient is φ = 65998800000.

The previous prime is 125122725271. The next prime is 125122725281. The reversal of 125122725273 is 372527221521.

It is not a de Polignac number, because 125122725273 - 2¹ = 125122725271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (125122725271) 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, 229162228 + ... + 229162773.

It is an arithmetic number, because the mean of its divisors is an integer number (12833100056).

Almost surely, 2^125122725273 is an apocalyptic number.

125122725273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125122725273 is a deficient number, since it is larger than the sum of its proper divisors (80206875623).

125122725273 is a wasteful number, since it uses less digits than its factorization.

125122725273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458325024.

The product of its digits is 117600, while the sum is 39.

Adding to 125122725273 its reverse (372527221521), we get a palindrome (497649946794).

The spelling of 125122725273 in words is "one hundred twenty-five billion, one hundred twenty-two million, seven hundred twenty-five thousand, two hundred seventy-three".