121041443 has 2 divisors, whose sum is σ = 121041444. Its totient is φ = 121041442.

The previous prime is 121041413. The next prime is 121041451. The reversal of 121041443 is 344140121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121041443 - 2⁶ = 121041379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121041413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520721 + 60520722.

It is an arithmetic number, because the mean of its divisors is an integer number (60520722).

Almost surely, 2^121041443 is an apocalyptic number.

121041443 is a deficient number, since it is larger than the sum of its proper divisors (1).

121041443 is an equidigital number, since it uses as much as digits as its factorization.

121041443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 121041443 is about 11001.8836114549. The cubic root of 121041443 is about 494.6652063921.

Adding to 121041443 its reverse (344140121), we get a palindrome (465181564).

The spelling of 121041443 in words is "one hundred twenty-one million, forty-one thousand, four hundred forty-three".