121024443 has 4 divisors (see below), whose sum is σ = 161365928. Its totient is φ = 80682960.

The previous prime is 121024441. The next prime is 121024457. The reversal of 121024443 is 344420121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121024443 - 2¹ = 121024441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121024441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20170738 + ... + 20170743.

It is an arithmetic number, because the mean of its divisors is an integer number (40341482).

Almost surely, 2^121024443 is an apocalyptic number.

121024443 is a deficient number, since it is larger than the sum of its proper divisors (40341485).

121024443 is an equidigital number, since it uses as much as digits as its factorization.

121024443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40341484.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 121024443 is about 11001.1109893501. The cubic root of 121024443 is about 494.6420471005.

Adding to 121024443 its reverse (344420121), we get a palindrome (465444564).

The spelling of 121024443 in words is "one hundred twenty-one million, twenty-four thousand, four hundred forty-three".