103233121 has 4 divisors (see below), whose sum is σ = 105751044. Its totient is φ = 100715200.

The previous prime is 103233107. The next prime is 103233133. The reversal of 103233121 is 121332301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121332301 = 1163 ⋅104327.

It can be written as a sum of positive squares in 2 ways, for example, as 42393121 + 60840000 = 6511^2 + 7800^2 .

It is a cyclic number.

It is not a de Polignac number, because 103233121 - 2⁹ = 103232609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103233095 and 103233104.

It is not an unprimeable number, because it can be changed into a prime (103233161) 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 3 ways as a sum of consecutive naturals, for example, 1258900 + ... + 1258981.

It is an arithmetic number, because the mean of its divisors is an integer number (26437761).

Almost surely, 2^103233121 is an apocalyptic number.

It is an amenable number.

103233121 is a deficient number, since it is larger than the sum of its proper divisors (2517923).

103233121 is an equidigital number, since it uses as much as digits as its factorization.

103233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517922.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103233121 is about 10160.3701212111. The cubic root of 103233121 is about 469.1081942229.

Adding to 103233121 its reverse (121332301), we get a palindrome (224565422).

The spelling of 103233121 in words is "one hundred three million, two hundred thirty-three thousand, one hundred twenty-one".