103563221 has 8 divisors (see below), whose sum is σ = 106529280. Its totient is φ = 100622592.

The previous prime is 103563217. The next prime is 103563247. The reversal of 103563221 is 122365301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103563221 - 2² = 103563217 is a prime.

It is a super-3 number, since 3×103563221³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103563521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (13316160).

Almost surely, 2^103563221 is an apocalyptic number.

It is an amenable number.

103563221 is a deficient number, since it is larger than the sum of its proper divisors (2966059).

103563221 is a wasteful number, since it uses less digits than its factorization.

103563221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 103563221 is about 10176.6016429848. The cubic root of 103563221 is about 469.6076716932.

The spelling of 103563221 in words is "one hundred three million, five hundred sixty-three thousand, two hundred twenty-one".