1105352243 has 4 divisors (see below), whose sum is σ = 1105425960. Its totient is φ = 1105278528.

The previous prime is 1105352231. The next prime is 1105352273. The reversal of 1105352243 is 3422535011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1105352243 - 2⁸ = 1105351987 is a prime.

It is a super-2 number, since 2×1105352243² = 2443607162210262098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105352273) 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, 5438 + ... + 47331.

It is an arithmetic number, because the mean of its divisors is an integer number (276356490).

Almost surely, 2^1105352243 is an apocalyptic number.

1105352243 is a deficient number, since it is larger than the sum of its proper divisors (73717).

1105352243 is an equidigital number, since it uses as much as digits as its factorization.

1105352243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73716.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1105352243 is about 33246.8380902606. The cubic root of 1105352243 is about 1033.9516539993.

Adding to 1105352243 its reverse (3422535011), we get a palindrome (4527887254).

The spelling of 1105352243 in words is "one billion, one hundred five million, three hundred fifty-two thousand, two hundred forty-three".