124212241 has 4 divisors (see below), whose sum is σ = 124568500. Its totient is φ = 123855984.

The previous prime is 124212233. The next prime is 124212269. The reversal of 124212241 is 142212421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53231616 + 70980625 = 7296^2 + 8425^2 .

It is a cyclic number.

It is not a de Polignac number, because 124212241 - 2³ = 124212233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124212271) 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, 177606 + ... + 178303.

It is an arithmetic number, because the mean of its divisors is an integer number (31142125).

Almost surely, 2^124212241 is an apocalyptic number.

It is an amenable number.

124212241 is a deficient number, since it is larger than the sum of its proper divisors (356259).

124212241 is an equidigital number, since it uses as much as digits as its factorization.

124212241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356258.

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

The square root of 124212241 is about 11145.0545534780. The cubic root of 124212241 is about 498.9474404583.

Adding to 124212241 its reverse (142212421), we get a palindrome (266424662).

It can be divided in two parts, 12 and 4212241, that added together give a triangular number (4212253 = T₂₉₀₂).

The spelling of 124212241 in words is "one hundred twenty-four million, two hundred twelve thousand, two hundred forty-one".