1244124001 has 8 divisors (see below), whose sum is σ = 1282121064. Its totient is φ = 1206357120.

The previous prime is 1244123977. The next prime is 1244124017. The reversal of 1244124001 is 1004214421.

It can be written as a sum of positive squares in 4 ways, for example, as 309232225 + 934891776 = 17585^2 + 30576^2 .

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 1244124001 - 2¹³ = 1244115809 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 1244124001.

It is not an unprimeable number, because it can be changed into a prime (1244124601) 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, 46540 + ... + 68221.

It is an arithmetic number, because the mean of its divisors is an integer number (160265133).

Almost surely, 2^1244124001 is an apocalyptic number.

It is an amenable number.

1244124001 is a deficient number, since it is larger than the sum of its proper divisors (37997063).

1244124001 is a wasteful number, since it uses less digits than its factorization.

1244124001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115091.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1244124001 is about 35272.1419961986. The cubic root of 1244124001 is about 1075.5267657397.

Adding to 1244124001 its reverse (1004214421), we get a palindrome (2248338422).

The spelling of 1244124001 in words is "one billion, two hundred forty-four million, one hundred twenty-four thousand, one".