103505221 has 8 divisors (see below), whose sum is σ = 108279360. Its totient is φ = 98753952.

The previous prime is 103505203. The next prime is 103505239. The reversal of 103505221 is 122505301.

It is an interprime number because it is at equal distance from previous prime (103505203) and next prime (103505239).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103505221 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 (103505921) 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, 3906 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (13534920).

Almost surely, 2^103505221 is an apocalyptic number.

It is an amenable number.

103505221 is a deficient number, since it is larger than the sum of its proper divisors (4774139).

103505221 is a wasteful number, since it uses less digits than its factorization.

103505221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 103505221 is about 10173.7515696030. The cubic root of 103505221 is about 469.5199882763.

The spelling of 103505221 in words is "one hundred three million, five hundred five thousand, two hundred twenty-one".