125256063103 has 2 divisors, whose sum is σ = 125256063104. Its totient is φ = 125256063102.

The previous prime is 125256063091. The next prime is 125256063133. The reversal of 125256063103 is 301360652521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125256063103 - 2¹⁷ = 125255932031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125256063133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62628031551 + 62628031552.

It is an arithmetic number, because the mean of its divisors is an integer number (62628031552).

Almost surely, 2^125256063103 is an apocalyptic number.

125256063103 is a deficient number, since it is larger than the sum of its proper divisors (1).

125256063103 is an equidigital number, since it uses as much as digits as its factorization.

125256063103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 125256063103 in words is "one hundred twenty-five billion, two hundred fifty-six million, sixty-three thousand, one hundred three".