1420305041 has 4 divisors (see below), whose sum is σ = 1423540800. Its totient is φ = 1417069284.

The previous prime is 1420305037. The next prime is 1420305049. The reversal of 1420305041 is 1405030241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1405030241 = 241 ⋅5830001.

It is a cyclic number.

It is not a de Polignac number, because 1420305041 - 2² = 1420305037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420305049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617221 + ... + 1618098.

It is an arithmetic number, because the mean of its divisors is an integer number (355885200).

Almost surely, 2^1420305041 is an apocalyptic number.

It is an amenable number.

1420305041 is a deficient number, since it is larger than the sum of its proper divisors (3235759).

1420305041 is an equidigital number, since it uses as much as digits as its factorization.

1420305041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235758.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1420305041 is about 37686.9346193081. The cubic root of 1420305041 is about 1124.0713431939.

Adding to 1420305041 its reverse (1405030241), we get a palindrome (2825335282).

The spelling of 1420305041 in words is "one billion, four hundred twenty million, three hundred five thousand, forty-one".