125831133 has 12 divisors (see below), whose sum is σ = 183145248. Its totient is φ = 83246280.

The previous prime is 125831113. The next prime is 125831143. The reversal of 125831133 is 331138521.

It is not a de Polignac number, because 125831133 - 2¹³ = 125822941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125831097 and 125831106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125831113) 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 11 ways as a sum of consecutive naturals, for example, 52185 + ... + 54542.

It is an arithmetic number, because the mean of its divisors is an integer number (15262104).

Almost surely, 2^125831133 is an apocalyptic number.

It is an amenable number.

125831133 is a deficient number, since it is larger than the sum of its proper divisors (57314115).

125831133 is a wasteful number, since it uses less digits than its factorization.

125831133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106864 (or 106861 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 125831133 is about 11217.4477043577. The cubic root of 125831133 is about 501.1057302520.

Adding to 125831133 its reverse (331138521), we get a palindrome (456969654).

The spelling of 125831133 in words is "one hundred twenty-five million, eight hundred thirty-one thousand, one hundred thirty-three".