103104221 has 6 divisors (see below), whose sum is σ = 113329566. Its totient is φ = 93731000.

The previous prime is 103104191. The next prime is 103104257. The reversal of 103104221 is 122401301.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 6180196 = 9845^2 + 2486^2 .

It is not a de Polignac number, because 103104221 - 2¹⁰ = 103103197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103104196 and 103104205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103106221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425930 + ... + 426171.

It is an arithmetic number, because the mean of its divisors is an integer number (18888261).

Almost surely, 2^103104221 is an apocalyptic number.

103104221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103104221 is a deficient number, since it is larger than the sum of its proper divisors (10225345).

103104221 is an equidigital number, since it uses as much as digits as its factorization.

103104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852123 (or 852112 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 103104221 is about 10154.0248670170. The cubic root of 103104221 is about 468.9128653384.

Adding to 103104221 its reverse (122401301), we get a palindrome (225505522).

The spelling of 103104221 in words is "one hundred three million, one hundred four thousand, two hundred twenty-one".