125538937 has 2 divisors, whose sum is σ = 125538938. Its totient is φ = 125538936.

The previous prime is 125538923. The next prime is 125538953. The reversal of 125538937 is 739835521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125014761 + 524176 = 11181^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 125538937 - 2¹¹ = 125536889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125538893 and 125538902.

It is not a weakly prime, because it can be changed into another prime (125538977) 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 as a sum of consecutive naturals, namely, 62769468 + 62769469.

It is an arithmetic number, because the mean of its divisors is an integer number (62769469).

Almost surely, 2^125538937 is an apocalyptic number.

It is an amenable number.

125538937 is a deficient number, since it is larger than the sum of its proper divisors (1).

125538937 is an equidigital number, since it uses as much as digits as its factorization.

125538937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 125538937 is about 11204.4159597901. The cubic root of 125538937 is about 500.7175524111.

The spelling of 125538937 in words is "one hundred twenty-five million, five hundred thirty-eight thousand, nine hundred thirty-seven".