125012497 has 2 divisors, whose sum is σ = 125012498. Its totient is φ = 125012496.

The previous prime is 125012483. The next prime is 125012501. The reversal of 125012497 is 794210521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 1002001 = 11136^2 + 1001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125012497 is a prime.

It is not a weakly prime, because it can be changed into another prime (125012467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506248 + 62506249.

It is an arithmetic number, because the mean of its divisors is an integer number (62506249).

Almost surely, 2^125012497 is an apocalyptic number.

It is an amenable number.

125012497 is a deficient number, since it is larger than the sum of its proper divisors (1).

125012497 is an equidigital number, since it uses as much as digits as its factorization.

125012497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 125012497 is about 11180.8987563612. The cubic root of 125012497 is about 500.0166621114.

The spelling of 125012497 in words is "one hundred twenty-five million, twelve thousand, four hundred ninety-seven".