122503 has 2 divisors, whose sum is σ = 122504. Its totient is φ = 122502.

The previous prime is 122501. The next prime is 122509. The reversal of 122503 is 305221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122503 - 2¹ = 122501 is a prime.

Together with 122501, it forms a pair of twin primes.

122503 is a lucky number.

It is equal to p₁₁₅₂₄ and since 122503 and 11524 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61251 + 61252.

It is an arithmetic number, because the mean of its divisors is an integer number (61252).

122503 is a Friedman number, since it can be written as 350^2+2+1, using all its digits and the basic arithmetic operations.

2¹²²⁵⁰³ is an apocalyptic number.

122503 is a deficient number, since it is larger than the sum of its proper divisors (1).

122503 is an equidigital number, since it uses as much as digits as its factorization.

122503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 122503 is about 350.0042856880. The cubic root of 122503 is about 49.6648248395.

Adding to 122503 its reverse (305221), we get a palindrome (427724).

It can be divided in two parts, 122 and 503, that added together give a 4-th power (625 = 5⁴).

The spelling of 122503 in words is "one hundred twenty-two thousand, five hundred three".