1244001220124 has 24 divisors (see below), whose sum is σ = 2344501094880. Its totient is φ = 574145285184.

The previous prime is 1244001220109. The next prime is 1244001220129. The reversal of 1244001220124 is 4210221004421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244001220124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244001220129) 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, 3988337 + ... + 4288919.

It is an arithmetic number, because the mean of its divisors is an integer number (97687545620).

Almost surely, 2^{1244001220124} is an apocalyptic number.

It is an amenable number.

1244001220124 is a deficient number, since it is larger than the sum of its proper divisors (1100499874756).

1244001220124 is a wasteful number, since it uses less digits than its factorization.

1244001220124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380189 (or 380187 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1244001220124 its reverse (4210221004421), we get a palindrome (5454222224545).

The spelling of 1244001220124 in words is "one trillion, two hundred forty-four billion, one million, two hundred twenty thousand, one hundred twenty-four".