121004443 has 8 divisors (see below), whose sum is σ = 143059680. Its totient is φ = 100141440.

The previous prime is 121004441. The next prime is 121004447. The reversal of 121004443 is 344400121.

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

It is not a de Polignac number, because 121004443 - 2¹ = 121004441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121004443.

It is not an unprimeable number, because it can be changed into a prime (121004441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297838 + ... + 298243.

It is an arithmetic number, because the mean of its divisors is an integer number (17882460).

Almost surely, 2^121004443 is an apocalyptic number.

121004443 is a deficient number, since it is larger than the sum of its proper divisors (22055237).

121004443 is an equidigital number, since it uses as much as digits as its factorization.

121004443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596117.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121004443 is about 11000.2019526916. The cubic root of 121004443 is about 494.6147980983.

Adding to 121004443 its reverse (344400121), we get a palindrome (465404564).

The spelling of 121004443 in words is "one hundred twenty-one million, four thousand, four hundred forty-three".