1405113043 has 4 divisors (see below), whose sum is σ = 1420900920. Its totient is φ = 1389325168.

The previous prime is 1405113041. The next prime is 1405113071. The reversal of 1405113043 is 3403115041.

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

It is a cyclic number.

It is not a de Polignac number, because 1405113043 - 2¹ = 1405113041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405113041) 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, 7893805 + ... + 7893982.

It is an arithmetic number, because the mean of its divisors is an integer number (355225230).

Almost surely, 2^1405113043 is an apocalyptic number.

1405113043 is a deficient number, since it is larger than the sum of its proper divisors (15787877).

1405113043 is an equidigital number, since it uses as much as digits as its factorization.

1405113043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15787876.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1405113043 is about 37484.8375079845. The cubic root of 1405113043 is about 1120.0491695569.

Adding to 1405113043 its reverse (3403115041), we get a palindrome (4808228084).

The spelling of 1405113043 in words is "one billion, four hundred five million, one hundred thirteen thousand, forty-three".