1420014443 has 4 divisors (see below), whose sum is σ = 1420395768. Its totient is φ = 1419633120.

The previous prime is 1420014439. The next prime is 1420014451. The reversal of 1420014443 is 3444100241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3444100241 = 34963 ⋅98507.

It is a cyclic number.

It is not a de Polignac number, because 1420014443 - 2² = 1420014439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420014143) 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, 185021 + ... + 192542.

It is an arithmetic number, because the mean of its divisors is an integer number (355098942).

Almost surely, 2^1420014443 is an apocalyptic number.

1420014443 is a deficient number, since it is larger than the sum of its proper divisors (381325).

1420014443 is an equidigital number, since it uses as much as digits as its factorization.

1420014443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381324.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1420014443 is about 37683.0790010583. The cubic root of 1420014443 is about 1123.9946753525.

Adding to 1420014443 its reverse (3444100241), we get a palindrome (4864114684).

The spelling of 1420014443 in words is "one billion, four hundred twenty million, fourteen thousand, four hundred forty-three".