121324441 has 6 divisors (see below), whose sum is σ = 141132570. Its totient is φ = 103992336.

The previous prime is 121324439. The next prime is 121324451. The reversal of 121324441 is 144423121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95355225 + 25969216 = 9765^2 + 5096^2 .

It is not a de Polignac number, because 121324441 - 2¹ = 121324439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121324451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1237956 + ... + 1238053.

It is an arithmetic number, because the mean of its divisors is an integer number (23522095).

Almost surely, 2^121324441 is an apocalyptic number.

It is an amenable number.

121324441 is a deficient number, since it is larger than the sum of its proper divisors (19808129).

121324441 is an equidigital number, since it uses as much as digits as its factorization.

121324441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476023 (or 2476016 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 121324441 is about 11014.7374458041. The cubic root of 121324441 is about 495.0504196508.

Adding to 121324441 its reverse (144423121), we get a palindrome (265747562).

The spelling of 121324441 in words is "one hundred twenty-one million, three hundred twenty-four thousand, four hundred forty-one".