125813063 has 2 divisors, whose sum is σ = 125813064. Its totient is φ = 125813062.

The previous prime is 125813021. The next prime is 125813071. The reversal of 125813063 is 360318521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125813063 - 2⁸ = 125812807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125813563) 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, 62906531 + 62906532.

It is an arithmetic number, because the mean of its divisors is an integer number (62906532).

Almost surely, 2^125813063 is an apocalyptic number.

125813063 is a deficient number, since it is larger than the sum of its proper divisors (1).

125813063 is an equidigital number, since it uses as much as digits as its factorization.

125813063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 125813063 is about 11216.6422337525. The cubic root of 125813063 is about 501.0817419808.

The spelling of 125813063 in words is "one hundred twenty-five million, eight hundred thirteen thousand, sixty-three".