105321241 has 4 divisors (see below), whose sum is σ = 105470500. Its totient is φ = 105171984.

The previous prime is 105321193. The next prime is 105321247. The reversal of 105321241 is 142123501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67240000 + 38081241 = 8200^2 + 6171^2 .

It is a cyclic number.

It is not a de Polignac number, because 105321241 - 2¹³ = 105313049 is a prime.

It is a super-2 number, since 2×105321241² = 22185127611560162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105321247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73566 + ... + 74983.

It is an arithmetic number, because the mean of its divisors is an integer number (26367625).

Almost surely, 2^105321241 is an apocalyptic number.

It is an amenable number.

105321241 is a deficient number, since it is larger than the sum of its proper divisors (149259).

105321241 is an equidigital number, since it uses as much as digits as its factorization.

105321241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149258.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105321241 is about 10262.6137508921. The cubic root of 105321241 is about 472.2500246381.

Adding to 105321241 its reverse (142123501), we get a palindrome (247444742).

The spelling of 105321241 in words is "one hundred five million, three hundred twenty-one thousand, two hundred forty-one".