122120203 has 4 divisors (see below), whose sum is σ = 122142960. Its totient is φ = 122097448.

The previous prime is 122120183. The next prime is 122120209. The reversal of 122120203 is 302021221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302021221 = 73 ⋅4137277.

It is a cyclic number.

It is not a de Polignac number, because 122120203 - 2⁹ = 122119691 is a prime.

It is a super-2 number, since 2×122120203² = 29826687961522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120209) 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, 1626 + ... + 15712.

It is an arithmetic number, because the mean of its divisors is an integer number (30535740).

Almost surely, 2^122120203 is an apocalyptic number.

122120203 is a deficient number, since it is larger than the sum of its proper divisors (22757).

122120203 is an equidigital number, since it uses as much as digits as its factorization.

122120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22756.

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

The square root of 122120203 is about 11050.8010116914. The cubic root of 122120203 is about 496.1304003201.

Adding to 122120203 its reverse (302021221), we get a palindrome (424141424).

The spelling of 122120203 in words is "one hundred twenty-two million, one hundred twenty thousand, two hundred three".