103443121 has 8 divisors (see below), whose sum is σ = 109978560. Its totient is φ = 97077552.

The previous prime is 103443103. The next prime is 103443169. The reversal of 103443121 is 121344301.

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

It is a cyclic number.

It is not a de Polignac number, because 103443121 - 2¹⁵ = 103410353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103443191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41211 + ... + 43648.

It is an arithmetic number, because the mean of its divisors is an integer number (13747320).

Almost surely, 2^103443121 is an apocalyptic number.

It is an amenable number.

103443121 is a deficient number, since it is larger than the sum of its proper divisors (6535439).

103443121 is an equidigital number, since it uses as much as digits as its factorization.

103443121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84935.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103443121 is about 10170.6991401771. The cubic root of 103443121 is about 469.4260702302.

Adding to 103443121 its reverse (121344301), we get a palindrome (224787422).

The spelling of 103443121 in words is "one hundred three million, four hundred forty-three thousand, one hundred twenty-one".