103234221 has 18 divisors (see below), whose sum is σ = 151040682. Its totient is φ = 67939200.

The previous prime is 103234207. The next prime is 103234253. The reversal of 103234221 is 122432301.

It can be written as a sum of positive squares in 3 ways, for example, as 19236996 + 83997225 = 4386^2 + 9165^2 .

It is not a de Polignac number, because 103234221 - 2¹⁹ = 102709933 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 103234194 and 103234203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103234291) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 306165 + ... + 306501.

It is an arithmetic number, because the mean of its divisors is an integer number (8391149).

Almost surely, 2^103234221 is an apocalyptic number.

It is an amenable number.

103234221 is a deficient number, since it is larger than the sum of its proper divisors (47806461).

103234221 is an equidigital number, since it uses as much as digits as its factorization.

103234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103234221 is about 10160.4242529532. The cubic root of 103234221 is about 469.1098604103.

Adding to 103234221 its reverse (122432301), we get a palindrome (225666522).

It can be divided in two parts, 1032 and 34221, that added together give a palindrome (35253).

The spelling of 103234221 in words is "one hundred three million, two hundred thirty-four thousand, two hundred twenty-one".