125003 has 2 divisors, whose sum is σ = 125004. Its totient is φ = 125002.

The previous prime is 124991. The next prime is 125017. The reversal of 125003 is 300521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125003 - 2⁴ = 124987 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (125053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62501 + 62502.

It is an arithmetic number, because the mean of its divisors is an integer number (62502).

125003 is a Friedman number, since it can be written as 50^(2+1+0)+3, using all its digits and the basic arithmetic operations.

2¹²⁵⁰⁰³ is an apocalyptic number.

125003 is a deficient number, since it is larger than the sum of its proper divisors (1).

125003 is an equidigital number, since it uses as much as digits as its factorization.

125003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 125003 is about 353.5576332085. The cubic root of 125003 is about 50.0003999968. Note that the first 3 decimals are identical.

Adding to 125003 its reverse (300521), we get a palindrome (425524).

The spelling of 125003 in words is "one hundred twenty-five thousand, three".