124444221 has 16 divisors (see below), whose sum is σ = 182806848. Its totient is φ = 74672000.

The previous prime is 124444219. The next prime is 124444241. The reversal of 124444221 is 122444421.

It is a cyclic number.

It is not a de Polignac number, because 124444221 - 2¹ = 124444219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124444191 and 124444200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124444211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15336 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (11425428).

Almost surely, 2^124444221 is an apocalyptic number.

124444221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124444221 is a deficient number, since it is larger than the sum of its proper divisors (58362627).

124444221 is a wasteful number, since it uses less digits than its factorization.

124444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37452.

The product of its digits is 2048, while the sum is 24.

The square root of 124444221 is about 11155.4570054301. The cubic root of 124444221 is about 499.2578603358.

Adding to 124444221 its reverse (122444421), we get a palindrome (246888642).

The spelling of 124444221 in words is "one hundred twenty-four million, four hundred forty-four thousand, two hundred twenty-one".