125631241 has 8 divisors (see below), whose sum is σ = 133422120. Its totient is φ = 117884928.

The previous prime is 125631229. The next prime is 125631271. The reversal of 125631241 is 142136521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62094400 + 63536841 = 7880^2 + 7971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125631241 - 2⁷ = 125631113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125631271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236 + ... + 16693.

It is an arithmetic number, because the mean of its divisors is an integer number (16677765).

Almost surely, 2^125631241 is an apocalyptic number.

It is an amenable number.

125631241 is a deficient number, since it is larger than the sum of its proper divisors (7790879).

125631241 is a wasteful number, since it uses less digits than its factorization.

125631241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22283.

The product of its digits is 1440, while the sum is 25.

The square root of 125631241 is about 11208.5342931179. The cubic root of 125631241 is about 500.8402418629.

Adding to 125631241 its reverse (142136521), we get a palindrome (267767762).

The spelling of 125631241 in words is "one hundred twenty-five million, six hundred thirty-one thousand, two hundred forty-one".