124444402221 has 8 divisors (see below), whose sum is σ = 166352415840. Its totient is φ = 82749661712.

The previous prime is 124444402183. The next prime is 124444402231. The reversal of 124444402221 is 122204444421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124444402221 - 2²³ = 124436013613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124444402231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53316915 + ... + 53319248.

It is an arithmetic number, because the mean of its divisors is an integer number (20794051980).

Almost surely, 2^124444402221 is an apocalyptic number.

It is an amenable number.

124444402221 is a deficient number, since it is larger than the sum of its proper divisors (41908013619).

124444402221 is a wasteful number, since it uses less digits than its factorization.

124444402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106636555.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 124444402221 its reverse (122204444421), we get a palindrome (246648846642).

The spelling of 124444402221 in words is "one hundred twenty-four billion, four hundred forty-four million, four hundred two thousand, two hundred twenty-one".