124322213 has 4 divisors (see below), whose sum is σ = 125553228. Its totient is φ = 123091200.

The previous prime is 124322197. The next prime is 124322243. The reversal of 124322213 is 312223421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312223421 = 101 ⋅3091321.

It can be written as a sum of positive squares in 2 ways, for example, as 121506529 + 2815684 = 11023^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 124322213 - 2⁴ = 124322197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124322243) 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, 615356 + ... + 615557.

It is an arithmetic number, because the mean of its divisors is an integer number (31388307).

Almost surely, 2^124322213 is an apocalyptic number.

It is an amenable number.

124322213 is a deficient number, since it is larger than the sum of its proper divisors (1231015).

124322213 is a wasteful number, since it uses less digits than its factorization.

124322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231014.

The product of its digits is 576, while the sum is 20.

The square root of 124322213 is about 11149.9871300374. The cubic root of 124322213 is about 499.0946456565.

Adding to 124322213 its reverse (312223421), we get a palindrome (436545634).

The spelling of 124322213 in words is "one hundred twenty-four million, three hundred twenty-two thousand, two hundred thirteen".