125835503 has 2 divisors, whose sum is σ = 125835504. Its totient is φ = 125835502.

The previous prime is 125835487. The next prime is 125835527. The reversal of 125835503 is 305538521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125835503 - 2⁴ = 125835487 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125835503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125835533) 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, 62917751 + 62917752.

It is an arithmetic number, because the mean of its divisors is an integer number (62917752).

Almost surely, 2^125835503 is an apocalyptic number.

125835503 is a deficient number, since it is larger than the sum of its proper divisors (1).

125835503 is an equidigital number, since it uses as much as digits as its factorization.

125835503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 125835503 is about 11217.6424885089. The cubic root of 125835503 is about 501.1115311659. Note that the first 3 decimals are identical.

The spelling of 125835503 in words is "one hundred twenty-five million, eight hundred thirty-five thousand, five hundred three".