122606503 has 4 divisors (see below), whose sum is σ = 125215200. Its totient is φ = 119997808.

The previous prime is 122606501. The next prime is 122606509. The reversal of 122606503 is 305606221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305606221 = 23 ⋅13287227.

It is a cyclic number.

It is not a de Polignac number, because 122606503 - 2¹ = 122606501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122606501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304278 + ... + 1304371.

It is an arithmetic number, because the mean of its divisors is an integer number (31303800).

Almost surely, 2^122606503 is an apocalyptic number.

122606503 is a deficient number, since it is larger than the sum of its proper divisors (2608697).

122606503 is an equidigital number, since it uses as much as digits as its factorization.

122606503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608696.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 122606503 is about 11072.7820803988. The cubic root of 122606503 is about 496.7880820130.

The spelling of 122606503 in words is "one hundred twenty-two million, six hundred six thousand, five hundred three".