125015124133 has 2 divisors, whose sum is σ = 125015124134. Its totient is φ = 125015124132.

The previous prime is 125015124089. The next prime is 125015124193. The reversal of 125015124133 is 331421510521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90067812769 + 34947311364 = 300113^2 + 186942^2 .

It is a cyclic number.

It is not a de Polignac number, because 125015124133 - 2⁹ = 125015123621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125015124193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62507562066 + 62507562067.

It is an arithmetic number, because the mean of its divisors is an integer number (62507562067).

Almost surely, 2^125015124133 is an apocalyptic number.

It is an amenable number.

125015124133 is a deficient number, since it is larger than the sum of its proper divisors (1).

125015124133 is an equidigital number, since it uses as much as digits as its factorization.

125015124133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 125015124133 its reverse (331421510521), we get a palindrome (456436634654).

The spelling of 125015124133 in words is "one hundred twenty-five billion, fifteen million, one hundred twenty-four thousand, one hundred thirty-three".