124413444021 has 8 divisors (see below), whose sum is σ = 166147486144. Its totient is φ = 82810848960.

The previous prime is 124413444017. The next prime is 124413444047. The reversal of 124413444021 is 120444314421.

It is a happy number.

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

It is not a de Polignac number, because 124413444021 - 2² = 124413444017 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 124413444021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124413444091) 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, 32859556 + ... + 32863341.

It is an arithmetic number, because the mean of its divisors is an integer number (20768435768).

Almost surely, 2^124413444021 is an apocalyptic number.

It is an amenable number.

124413444021 is a deficient number, since it is larger than the sum of its proper divisors (41734042123).

124413444021 is an equidigital number, since it uses as much as digits as its factorization.

124413444021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65723531.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 124413444021 its reverse (120444314421), we get a palindrome (244857758442).

The spelling of 124413444021 in words is "one hundred twenty-four billion, four hundred thirteen million, four hundred forty-four thousand, twenty-one".