125000125903 has 2 divisors, whose sum is σ = 125000125904. Its totient is φ = 125000125902.

The previous prime is 125000125889. The next prime is 125000125931. The reversal of 125000125903 is 309521000521.

It is an a-pointer prime, because the next prime (125000125931) can be obtained adding 125000125903 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125000125903 - 2²¹ = 124998028751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125000125603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500062951 + 62500062952.

It is an arithmetic number, because the mean of its divisors is an integer number (62500062952).

Almost surely, 2^125000125903 is an apocalyptic number.

125000125903 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000125903 is an equidigital number, since it uses as much as digits as its factorization.

125000125903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 125000125903 in words is "one hundred twenty-five billion, one hundred twenty-five thousand, nine hundred three".