1420243041 has 8 divisors (see below), whose sum is σ = 2164179904. Its totient is φ = 811567440.

The previous prime is 1420243037. The next prime is 1420243049. The reversal of 1420243041 is 1403420241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420243041 - 2² = 1420243037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 67630621 = 1420243041 / (1 + 4 + 2 + 0 + 2 + 4 + 3 + 0 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1420242999 and 1420243017.

It is not an unprimeable number, because it can be changed into a prime (1420243049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33815290 + ... + 33815331.

It is an arithmetic number, because the mean of its divisors is an integer number (270522488).

Almost surely, 2^1420243041 is an apocalyptic number.

It is an amenable number.

1420243041 is a deficient number, since it is larger than the sum of its proper divisors (743936863).

1420243041 is an equidigital number, since it uses as much as digits as its factorization.

1420243041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67630631.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420243041 is about 37686.1120440939. The cubic root of 1420243041 is about 1124.0549867457.

Adding to 1420243041 its reverse (1403420241), we get a palindrome (2823663282).

The spelling of 1420243041 in words is "one billion, four hundred twenty million, two hundred forty-three thousand, forty-one".