122103213 has 4 divisors (see below), whose sum is σ = 162804288. Its totient is φ = 81402140.

The previous prime is 122103199. The next prime is 122103257. The reversal of 122103213 is 312301221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122103213 - 2⁵ = 122103181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122103192 and 122103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122103913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20350533 + ... + 20350538.

It is an arithmetic number, because the mean of its divisors is an integer number (40701072).

Almost surely, 2^122103213 is an apocalyptic number.

It is an amenable number.

122103213 is a deficient number, since it is larger than the sum of its proper divisors (40701075).

122103213 is an equidigital number, since it uses as much as digits as its factorization.

122103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40701074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122103213 is about 11050.0322623963. The cubic root of 122103213 is about 496.1073911695.

Adding to 122103213 its reverse (312301221), we get a palindrome (434404434).

The spelling of 122103213 in words is "one hundred twenty-two million, one hundred three thousand, two hundred thirteen".