125568133 has 2 divisors, whose sum is σ = 125568134. Its totient is φ = 125568132.

The previous prime is 125568061. The next prime is 125568139. The reversal of 125568133 is 331865521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 4524129 = 11002^2 + 2127^2 .

It is a cyclic number.

It is not a de Polignac number, because 125568133 - 2⁹ = 125567621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125568139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62784066 + 62784067.

It is an arithmetic number, because the mean of its divisors is an integer number (62784067).

Almost surely, 2^125568133 is an apocalyptic number.

It is an amenable number.

125568133 is a deficient number, since it is larger than the sum of its proper divisors (1).

125568133 is an equidigital number, since it uses as much as digits as its factorization.

125568133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 125568133 is about 11205.7187632030. The cubic root of 125568133 is about 500.7563659109.

The spelling of 125568133 in words is "one hundred twenty-five million, five hundred sixty-eight thousand, one hundred thirty-three".