1105743849 has 16 divisors (see below), whose sum is σ = 1719331200. Its totient is φ = 631853040.

The previous prime is 1105743833. The next prime is 1105743901. The reversal of 1105743849 is 9483475011.

It is a happy number.

1105743849 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1105743849 - 2⁴ = 1105743833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105743849.

It is not an unprimeable number, because it can be changed into a prime (1105743049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536262 + ... + 538319.

It is an arithmetic number, because the mean of its divisors is an integer number (107458200).

Almost surely, 2^1105743849 is an apocalyptic number.

It is an amenable number.

1105743849 is a deficient number, since it is larger than the sum of its proper divisors (613587351).

1105743849 is an equidigital number, since it uses as much as digits as its factorization.

1105743849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074605 (or 1074591 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1105743849 is about 33252.7269408089. The cubic root of 1105743849 is about 1034.0737429433.

The spelling of 1105743849 in words is "one billion, one hundred five million, seven hundred forty-three thousand, eight hundred forty-nine".