124221203 has 4 divisors (see below), whose sum is σ = 125717928. Its totient is φ = 122724480.

The previous prime is 124221199. The next prime is 124221211. The reversal of 124221203 is 302122421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302122421 = 59 ⋅5120719.

It is a cyclic number.

It is not a de Polignac number, because 124221203 - 2² = 124221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124221403) 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, 748238 + ... + 748403.

It is an arithmetic number, because the mean of its divisors is an integer number (31429482).

Almost surely, 2^124221203 is an apocalyptic number.

124221203 is a deficient number, since it is larger than the sum of its proper divisors (1496725).

124221203 is an equidigital number, since it uses as much as digits as its factorization.

124221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496724.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 124221203 is about 11145.4566079636. The cubic root of 124221203 is about 498.9594399719.

Adding to 124221203 its reverse (302122421), we get a palindrome (426343624).

The spelling of 124221203 in words is "one hundred twenty-four million, two hundred twenty-one thousand, two hundred three".