125037133 has 4 divisors (see below), whose sum is σ = 134655388. Its totient is φ = 115418880.

The previous prime is 125037103. The next prime is 125037149. The reversal of 125037133 is 331730521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331730521 = 4049 ⋅81929.

It can be written as a sum of positive squares in 2 ways, for example, as 18472804 + 106564329 = 4298^2 + 10323^2 .

It is a cyclic number.

It is not a de Polignac number, because 125037133 - 2⁹ = 125036621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125037098 and 125037107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125037103) 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 3 ways as a sum of consecutive naturals, for example, 4809108 + ... + 4809133.

It is an arithmetic number, because the mean of its divisors is an integer number (33663847).

Almost surely, 2^125037133 is an apocalyptic number.

125037133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125037133 is a deficient number, since it is larger than the sum of its proper divisors (9618255).

125037133 is an equidigital number, since it uses as much as digits as its factorization.

125037133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618254.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 125037133 is about 11182.0004024325. Note that the first 3 decimals coincide. The cubic root of 125037133 is about 500.0495057649.

Adding to 125037133 its reverse (331730521), we get a palindrome (456767654).

It can be divided in two parts, 1250 and 37133, that added together give a palindrome (38383).

The spelling of 125037133 in words is "one hundred twenty-five million, thirty-seven thousand, one hundred thirty-three".