1420241143 has 8 divisors (see below), whose sum is σ = 1444907520. Its totient is φ = 1395676920.

The previous prime is 1420241131. The next prime is 1420241153. The reversal of 1420241143 is 3411420241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1420241143 - 2⁵ = 1420241111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420241153) 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 7 ways as a sum of consecutive naturals, for example, 2778 + ... + 53368.

It is an arithmetic number, because the mean of its divisors is an integer number (180613440).

Almost surely, 2^1420241143 is an apocalyptic number.

1420241143 is a deficient number, since it is larger than the sum of its proper divisors (24666377).

1420241143 is an equidigital number, since it uses as much as digits as its factorization.

1420241143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51077.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1420241143 is about 37686.0868623953. The cubic root of 1420241143 is about 1124.0544860198.

Adding to 1420241143 its reverse (3411420241), we get a palindrome (4831661384).

The spelling of 1420241143 in words is "one billion, four hundred twenty million, two hundred forty-one thousand, one hundred forty-three".