125006303 has 2 divisors, whose sum is σ = 125006304. Its totient is φ = 125006302.

The previous prime is 125006279. The next prime is 125006341. The reversal of 125006303 is 303600521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125006303 - 2¹⁸ = 124744159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125006393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62503151 + 62503152.

It is an arithmetic number, because the mean of its divisors is an integer number (62503152).

Almost surely, 2^125006303 is an apocalyptic number.

125006303 is a deficient number, since it is larger than the sum of its proper divisors (1).

125006303 is an equidigital number, since it uses as much as digits as its factorization.

125006303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 125006303 is about 11180.6217626749. The cubic root of 125006303 is about 500.0084038587.

Adding to 125006303 its reverse (303600521), we get a palindrome (428606824).

The spelling of 125006303 in words is "one hundred twenty-five million, six thousand, three hundred three".