122413 has 4 divisors (see below), whose sum is σ = 123328. Its totient is φ = 121500.

The previous prime is 122401. The next prime is 122443. The reversal of 122413 is 314221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 314221 = 199 ⋅1579.

It is a cyclic number.

It is not a de Polignac number, because 122413 - 2¹³ = 114221 is a prime.

It is a Duffinian number.

122413 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 122393 and 122402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122443) 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 in 3 ways as a sum of consecutive naturals, for example, 213 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (30832).

2¹²²⁴¹³ is an apocalyptic number.

It is an amenable number.

122413 is a deficient number, since it is larger than the sum of its proper divisors (915).

122413 is an equidigital number, since it uses as much as digits as its factorization.

122413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 48, while the sum is 13.

The square root of 122413 is about 349.8756922108. The cubic root of 122413 is about 49.6526593434.

Adding to 122413 its reverse (314221), we get a palindrome (436634).

It can be divided in two parts, 122 and 413, that added together give a palindrome (535).

The spelling of 122413 in words is "one hundred twenty-two thousand, four hundred thirteen".