1105240343 has 4 divisors (see below), whose sum is σ = 1115569800. Its totient is φ = 1094910888.

The previous prime is 1105240337. The next prime is 1105240349. The reversal of 1105240343 is 3430425011.

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

It is an interprime number because it is at equal distance from previous prime (1105240337) and next prime (1105240349).

It is a cyclic number.

It is not a de Polignac number, because 1105240343 - 2⁴ = 1105240327 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 (1105240349) 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, 5164568 + ... + 5164781.

It is an arithmetic number, because the mean of its divisors is an integer number (278892450).

Almost surely, 2^1105240343 is an apocalyptic number.

1105240343 is a deficient number, since it is larger than the sum of its proper divisors (10329457).

1105240343 is a wasteful number, since it uses less digits than its factorization.

1105240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329456.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1105240343 is about 33245.1551808681. The cubic root of 1105240343 is about 1033.9167622275.

Adding to 1105240343 its reverse (3430425011), we get a palindrome (4535665354).

The spelling of 1105240343 in words is "one billion, one hundred five million, two hundred forty thousand, three hundred forty-three".