1420213043 has 4 divisors (see below), whose sum is σ = 1421071800. Its totient is φ = 1419354288.

The previous prime is 1420213021. The next prime is 1420213057. The reversal of 1420213043 is 3403120241.

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 1420213043 - 2⁶ = 1420212979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420213243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426893 + ... + 430206.

It is an arithmetic number, because the mean of its divisors is an integer number (355267950).

Almost surely, 2^1420213043 is an apocalyptic number.

1420213043 is a deficient number, since it is larger than the sum of its proper divisors (858757).

1420213043 is an equidigital number, since it uses as much as digits as its factorization.

1420213043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858756.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1420213043 is about 37685.7140439186. The cubic root of 1420213043 is about 1124.0470726920.

Adding to 1420213043 its reverse (3403120241), we get a palindrome (4823333284).

The spelling of 1420213043 in words is "one billion, four hundred twenty million, two hundred thirteen thousand, forty-three".