1405053043 has 4 divisors (see below), whose sum is σ = 1487703240. Its totient is φ = 1322402848.

The previous prime is 1405053031. The next prime is 1405053061. The reversal of 1405053043 is 3403505041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403505041 = 29243 ⋅116387.

It is a cyclic number.

It is not a de Polignac number, because 1405053043 - 2⁹ = 1405052531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1405052999 and 1405053017.

It is not an unprimeable number, because it can be changed into a prime (1405050043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41325073 + ... + 41325106.

It is an arithmetic number, because the mean of its divisors is an integer number (371925810).

Almost surely, 2^1405053043 is an apocalyptic number.

1405053043 is a deficient number, since it is larger than the sum of its proper divisors (82650197).

1405053043 is an equidigital number, since it uses as much as digits as its factorization.

1405053043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82650196.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1405053043 is about 37484.0371758433. The cubic root of 1405053043 is about 1120.0332268523.

Adding to 1405053043 its reverse (3403505041), we get a palindrome (4808558084).

The spelling of 1405053043 in words is "one billion, four hundred five million, fifty-three thousand, forty-three".