122603 has 4 divisors (see below), whose sum is σ = 132048. Its totient is φ = 113160.

The previous prime is 122599. The next prime is 122609. The reversal of 122603 is 306221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306221 = 17 ⋅18013.

It is a cyclic number.

It is not a de Polignac number, because 122603 - 2² = 122599 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 122603.

It is not an unprimeable number, because it can be changed into a prime (122609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703 + ... + 4728.

It is an arithmetic number, because the mean of its divisors is an integer number (33012).

2¹²²⁶⁰³ is an apocalyptic number.

122603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122603 is a deficient number, since it is larger than the sum of its proper divisors (9445).

122603 is an equidigital number, since it uses as much as digits as its factorization.

122603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 122603 is about 350.1471119401. The cubic root of 122603 is about 49.6783350711.

Adding to 122603 its reverse (306221), we get a palindrome (428824).

The spelling of 122603 in words is "one hundred twenty-two thousand, six hundred three".