1244041001 has 4 divisors (see below), whose sum is σ = 1421761152. Its totient is φ = 1066320852.

The previous prime is 1244040991. The next prime is 1244041027. The reversal of 1244041001 is 1001404421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1244041001 - 2¹⁸ = 1243778857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244041031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88860065 + ... + 88860078.

It is an arithmetic number, because the mean of its divisors is an integer number (355440288).

Almost surely, 2^1244041001 is an apocalyptic number.

It is an amenable number.

1244041001 is a deficient number, since it is larger than the sum of its proper divisors (177720151).

1244041001 is an equidigital number, since it uses as much as digits as its factorization.

1244041001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177720150.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1244041001 is about 35270.9654106604. The cubic root of 1244041001 is about 1075.5028477844.

Adding to 1244041001 its reverse (1001404421), we get a palindrome (2245445422).

The spelling of 1244041001 in words is "one billion, two hundred forty-four million, forty-one thousand, one".