103204621 has 16 divisors (see below), whose sum is σ = 115686144. Its totient is φ = 91450944.

The previous prime is 103204613. The next prime is 103204643. The reversal of 103204621 is 126402301.

It is not a de Polignac number, because 103204621 - 2³ = 103204613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103204681) 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 15 ways as a sum of consecutive naturals, for example, 30790 + ... + 33976.

It is an arithmetic number, because the mean of its divisors is an integer number (7230384).

Almost surely, 2^103204621 is an apocalyptic number.

It is an amenable number.

103204621 is a deficient number, since it is larger than the sum of its proper divisors (12481523).

103204621 is a wasteful number, since it uses less digits than its factorization.

103204621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103204621 is about 10158.9675164359. The cubic root of 103204621 is about 469.0650206951.

Adding to 103204621 its reverse (126402301), we get a palindrome (229606922).

It can be divided in two parts, 10320 and 4621, that added together give a palindrome (14941).

The spelling of 103204621 in words is "one hundred three million, two hundred four thousand, six hundred twenty-one".