121038443 has 16 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 113600256.

The previous prime is 121038439. The next prime is 121038451. The reversal of 121038443 is 344830121.

It is a cyclic number.

It is not a de Polignac number, because 121038443 - 2² = 121038439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121038403) 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 15 ways as a sum of consecutive naturals, for example, 506318 + ... + 506556.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^121038443 is an apocalyptic number.

121038443 is a deficient number, since it is larger than the sum of its proper divisors (7662997).

121038443 is a wasteful number, since it uses less digits than its factorization.

121038443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 121038443 is about 11001.7472703203. The cubic root of 121038443 is about 494.6611196159.

Adding to 121038443 its reverse (344830121), we get a palindrome (465868564).

The spelling of 121038443 in words is "one hundred twenty-one million, thirty-eight thousand, four hundred forty-three".