125052503 has 2 divisors, whose sum is σ = 125052504. Its totient is φ = 125052502.

The previous prime is 125052491. The next prime is 125052511. The reversal of 125052503 is 305250521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125052503 - 2⁸ = 125052247 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125052523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62526251 + 62526252.

It is an arithmetic number, because the mean of its divisors is an integer number (62526252).

Almost surely, 2^125052503 is an apocalyptic number.

125052503 is a deficient number, since it is larger than the sum of its proper divisors (1).

125052503 is an equidigital number, since it uses as much as digits as its factorization.

125052503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 125052503 is about 11182.6876465365. The cubic root of 125052503 is about 500.0699942012.

The spelling of 125052503 in words is "one hundred twenty-five million, fifty-two thousand, five hundred three".