1420101143 has 2 divisors, whose sum is σ = 1420101144. Its totient is φ = 1420101142.

The previous prime is 1420101131. The next prime is 1420101191. The reversal of 1420101143 is 3411010241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3411010241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420101143 - 2⁴ = 1420101127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420104143) 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 as a sum of consecutive naturals, namely, 710050571 + 710050572.

It is an arithmetic number, because the mean of its divisors is an integer number (710050572).

Almost surely, 2^1420101143 is an apocalyptic number.

1420101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420101143 is an equidigital number, since it uses as much as digits as its factorization.

1420101143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1420101143 is about 37684.2293672035. The cubic root of 1420101143 is about 1124.0175503206.

Adding to 1420101143 its reverse (3411010241), we get a palindrome (4831111384).

The spelling of 1420101143 in words is "one billion, four hundred twenty million, one hundred one thousand, one hundred forty-three".