103043121 has 4 divisors (see below), whose sum is σ = 137390832. Its totient is φ = 68695412.

The previous prime is 103043053. The next prime is 103043123. The reversal of 103043121 is 121340301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121340301 = 3 ⋅40446767.

It is a cyclic number.

It is not a de Polignac number, because 103043121 - 2⁷ = 103042993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103043121.

It is not an unprimeable number, because it can be changed into a prime (103043123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17173851 + ... + 17173856.

It is an arithmetic number, because the mean of its divisors is an integer number (34347708).

Almost surely, 2^103043121 is an apocalyptic number.

It is an amenable number.

103043121 is a deficient number, since it is larger than the sum of its proper divisors (34347711).

103043121 is an equidigital number, since it uses as much as digits as its factorization.

103043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34347710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103043121 is about 10151.0157619817. The cubic root of 103043121 is about 468.8202204491.

Adding to 103043121 its reverse (121340301), we get a palindrome (224383422).

The spelling of 103043121 in words is "one hundred three million, forty-three thousand, one hundred twenty-one".