124224211 has 4 divisors (see below), whose sum is σ = 124250152. Its totient is φ = 124198272.

The previous prime is 124224203. The next prime is 124224229. The reversal of 124224211 is 112422421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112422421 = 83 ⋅1354487.

It is a 7-Lehmer number, since φ(124224211) divides (124224211-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 124224211 - 2³ = 124224203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124224241) 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, 3465 + ... + 16138.

It is an arithmetic number, because the mean of its divisors is an integer number (31062538).

Almost surely, 2^124224211 is an apocalyptic number.

124224211 is a deficient number, since it is larger than the sum of its proper divisors (25941).

124224211 is an equidigital number, since it uses as much as digits as its factorization.

124224211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25940.

The product of its digits is 256, while the sum is 19.

The square root of 124224211 is about 11145.5915500255. The cubic root of 124224211 is about 498.9634673517.

Adding to 124224211 its reverse (112422421), we get a palindrome (236646632).

The spelling of 124224211 in words is "one hundred twenty-four million, two hundred twenty-four thousand, two hundred eleven".