125106563 has 2 divisors, whose sum is σ = 125106564. Its totient is φ = 125106562.

The previous prime is 125106529. The next prime is 125106577. The reversal of 125106563 is 365601521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125106563 - 2¹⁶ = 125041027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125106523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62553281 + 62553282.

It is an arithmetic number, because the mean of its divisors is an integer number (62553282).

Almost surely, 2^125106563 is an apocalyptic number.

125106563 is a deficient number, since it is larger than the sum of its proper divisors (1).

125106563 is an equidigital number, since it uses as much as digits as its factorization.

125106563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 125106563 is about 11185.1045144871. The cubic root of 125106563 is about 500.1420436434.

The spelling of 125106563 in words is "one hundred twenty-five million, one hundred six thousand, five hundred sixty-three".