1244441001 has 8 divisors (see below), whose sum is σ = 1681984480. Its totient is φ = 818262432.

The previous prime is 1244440991. The next prime is 1244441047. The reversal of 1244441001 is 1001444421.

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

It is not a de Polignac number, because 1244441001 - 2⁶ = 1244440937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244441071) 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, 2840971 + ... + 2841408.

It is an arithmetic number, because the mean of its divisors is an integer number (210248060).

Almost surely, 2^1244441001 is an apocalyptic number.

It is an amenable number.

1244441001 is a deficient number, since it is larger than the sum of its proper divisors (437543479).

1244441001 is an equidigital number, since it uses as much as digits as its factorization.

1244441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682455.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1244441001 is about 35276.6353412567. The cubic root of 1244441001 is about 1075.6181052502.

Adding to 1244441001 its reverse (1001444421), we get a palindrome (2245885422).

The spelling of 1244441001 in words is "one billion, two hundred forty-four million, four hundred forty-one thousand, one".