103240221 has 8 divisors (see below), whose sum is σ = 157318464. Its totient is φ = 58994400.

The previous prime is 103240213. The next prime is 103240229. The reversal of 103240221 is 122042301.

It is an interprime number because it is at equal distance from previous prime (103240213) and next prime (103240229).

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

It is not a de Polignac number, because 103240221 - 2³ = 103240213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103240221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103240229) 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 7 ways as a sum of consecutive naturals, for example, 2458080 + ... + 2458121.

It is an arithmetic number, because the mean of its divisors is an integer number (19664808).

Almost surely, 2^103240221 is an apocalyptic number.

It is an amenable number.

103240221 is a deficient number, since it is larger than the sum of its proper divisors (54078243).

103240221 is an equidigital number, since it uses as much as digits as its factorization.

103240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916211.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 103240221 is about 10160.7195119243. The cubic root of 103240221 is about 469.1189484970.

Adding to 103240221 its reverse (122042301), we get a palindrome (225282522).

The spelling of 103240221 in words is "one hundred three million, two hundred forty thousand, two hundred twenty-one".