1200001441 has 8 divisors (see below), whose sum is σ = 1204156800. Its totient is φ = 1195853568.

The previous prime is 1200001433. The next prime is 1200001477. The reversal of 1200001441 is 1441000021.

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 1200001441 - 2³ = 1200001433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200001141) 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, 648780 + ... + 650626.

It is an arithmetic number, because the mean of its divisors is an integer number (150519600).

Almost surely, 2^1200001441 is an apocalyptic number.

It is an amenable number.

1200001441 is a deficient number, since it is larger than the sum of its proper divisors (4155359).

1200001441 is a wasteful number, since it uses less digits than its factorization.

1200001441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1200001441 is about 34641.0369504147. The cubic root of 1200001441 is about 1062.6589945411.

Adding to 1200001441 its reverse (1441000021), we get a palindrome (2641001462).

The spelling of 1200001441 in words is "one billion, two hundred million, one thousand, four hundred forty-one".