124444111321 has 8 divisors (see below), whose sum is σ = 125157549600. Its totient is φ = 123730875840.

The previous prime is 124444111277. The next prime is 124444111333. The reversal of 124444111321 is 123111444421.

It is a happy number.

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 124444111321 - 2¹³ = 124444103129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124444111321.

It is not an unprimeable number, because it can be changed into a prime (124444111381) 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, 1279665 + ... + 1373473.

It is an arithmetic number, because the mean of its divisors is an integer number (15644693700).

Almost surely, 2^124444111321 is an apocalyptic number.

It is an amenable number.

124444111321 is a deficient number, since it is larger than the sum of its proper divisors (713438279).

124444111321 is an equidigital number, since it uses as much as digits as its factorization.

124444111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101399.

The product of its digits is 3072, while the sum is 28.

Adding to 124444111321 its reverse (123111444421), we get a palindrome (247555555742).

The spelling of 124444111321 in words is "one hundred twenty-four billion, four hundred forty-four million, one hundred eleven thousand, three hundred twenty-one".