125126273 has 6 divisors (see below), whose sum is σ = 132535494. Its totient is φ = 117722496.

The previous prime is 125126251. The next prime is 125126291. The reversal of 125126273 is 372621521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 109579024 + 15547249 = 10468^2 + 3943^2 .

It is not a de Polignac number, because 125126273 - 2¹² = 125122177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125126203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44765 + ... + 47477.

It is an arithmetic number, because the mean of its divisors is an integer number (22089249).

Almost surely, 2^125126273 is an apocalyptic number.

It is an amenable number.

125126273 is a deficient number, since it is larger than the sum of its proper divisors (7409221).

125126273 is an frugal number, since it uses more digits than its factorization.

125126273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 2730 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 125126273 is about 11185.9855623007. The cubic root of 125126273 is about 500.1683073389.

Adding to 125126273 its reverse (372621521), we get a palindrome (497747794).

The spelling of 125126273 in words is "one hundred twenty-five million, one hundred twenty-six thousand, two hundred seventy-three".