1331441121 has 8 divisors (see below), whose sum is σ = 1816540000. Its totient is φ = 866984832.

The previous prime is 1331441113. The next prime is 1331441161. The reversal of 1331441121 is 1211441331.

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

It is not a de Polignac number, because 1331441121 - 2³ = 1331441113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331441101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5160496 + ... + 5160753.

It is an arithmetic number, because the mean of its divisors is an integer number (227067500).

Almost surely, 2^1331441121 is an apocalyptic number.

It is an amenable number.

1331441121 is a deficient number, since it is larger than the sum of its proper divisors (485098879).

1331441121 is a wasteful number, since it uses less digits than its factorization.

1331441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321295.

The product of its digits is 288, while the sum is 21.

The square root of 1331441121 is about 36488.9177833490. The cubic root of 1331441121 is about 1100.1215075143.

Adding to 1331441121 its reverse (1211441331), we get a palindrome (2542882452).

The spelling of 1331441121 in words is "one billion, three hundred thirty-one million, four hundred forty-one thousand, one hundred twenty-one".