1121241441 has 8 divisors (see below), whose sum is σ = 1495247104. Its totient is φ = 747365040.

The previous prime is 1121241437. The next prime is 1121241461. The reversal of 1121241441 is 1441421211.

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

It is not a de Polignac number, because 1121241441 - 2² = 1121241437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121241461) 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, 9841 + ... + 48366.

It is an arithmetic number, because the mean of its divisors is an integer number (186905888).

Almost surely, 2^1121241441 is an apocalyptic number.

It is an amenable number.

1121241441 is a deficient number, since it is larger than the sum of its proper divisors (374005663).

1121241441 is an equidigital number, since it uses as much as digits as its factorization.

1121241441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64631.

The product of its digits is 256, while the sum is 21.

The square root of 1121241441 is about 33484.9434970406. The cubic root of 1121241441 is about 1038.8823795860.

Adding to 1121241441 its reverse (1441421211), we get a palindrome (2562662652).

The spelling of 1121241441 in words is "one billion, one hundred twenty-one million, two hundred forty-one thousand, four hundred forty-one".