1244041421 has 8 divisors (see below), whose sum is σ = 1421977344. Its totient is φ = 1066159440.

The previous prime is 1244041367. The next prime is 1244041423. The reversal of 1244041421 is 1241404421.

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 1244041421 - 2¹⁰ = 1244040397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244041423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72551 + ... + 88043.

It is an arithmetic number, because the mean of its divisors is an integer number (177747168).

Almost surely, 2^1244041421 is an apocalyptic number.

It is an amenable number.

1244041421 is a deficient number, since it is larger than the sum of its proper divisors (177935923).

1244041421 is a wasteful number, since it uses less digits than its factorization.

1244041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26971.

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

The square root of 1244041421 is about 35270.9713645655. The cubic root of 1244041421 is about 1075.5029688177.

Adding to 1244041421 its reverse (1241404421), we get a palindrome (2485445842).

The spelling of 1244041421 in words is "one billion, two hundred forty-four million, forty-one thousand, four hundred twenty-one".