103121233 has 4 divisors (see below), whose sum is σ = 103144048. Its totient is φ = 103098420.

The previous prime is 103121209. The next prime is 103121237. The reversal of 103121233 is 332121301.

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.

It is a cyclic number.

It is not a de Polignac number, because 103121233 - 2²⁵ = 69566801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103121237) 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, 2091 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (25786012).

Almost surely, 2^103121233 is an apocalyptic number.

It is an amenable number.

103121233 is a deficient number, since it is larger than the sum of its proper divisors (22815).

103121233 is an equidigital number, since it uses as much as digits as its factorization.

103121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22814.

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

The square root of 103121233 is about 10154.8625298425. The cubic root of 103121233 is about 468.9386538298.

Adding to 103121233 its reverse (332121301), we get a palindrome (435242534).

The spelling of 103121233 in words is "one hundred three million, one hundred twenty-one thousand, two hundred thirty-three".