125230133 has 12 divisors (see below), whose sum is σ = 148067532. Its totient is φ = 105577920.

The previous prime is 125230123. The next prime is 125230187. The reversal of 125230133 is 331032521.

It can be written as a sum of positive squares in 2 ways, for example, as 38031889 + 87198244 = 6167^2 + 9338^2 .

It is not a de Polignac number, because 125230133 - 2⁴ = 125230117 is a prime.

It is a super-2 number, since 2×125230133² = 31365172422395378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125230123) 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 11 ways as a sum of consecutive naturals, for example, 17960 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (12338961).

Almost surely, 2^125230133 is an apocalyptic number.

It is an amenable number.

125230133 is a deficient number, since it is larger than the sum of its proper divisors (22837399).

125230133 is an equidigital number, since it uses as much as digits as its factorization.

125230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41972 (or 41965 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 125230133 is about 11190.6270154983. The cubic root of 125230133 is about 500.3066558859.

Adding to 125230133 its reverse (331032521), we get a palindrome (456262654).

The spelling of 125230133 in words is "one hundred twenty-five million, two hundred thirty thousand, one hundred thirty-three".