1002144043 has 2 divisors, whose sum is σ = 1002144044. Its totient is φ = 1002144042.

The previous prime is 1002144029. The next prime is 1002144071. The reversal of 1002144043 is 3404412001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002144043 - 2¹³ = 1002135851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002144043.

It is not a weakly prime, because it can be changed into another prime (1002144023) 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 as a sum of consecutive naturals, namely, 501072021 + 501072022.

It is an arithmetic number, because the mean of its divisors is an integer number (501072022).

Almost surely, 2^1002144043 is an apocalyptic number.

1002144043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002144043 is an equidigital number, since it uses as much as digits as its factorization.

1002144043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1002144043 is about 31656.6587466207. The cubic root of 1002144043 is about 1000.7141708386.

Adding to 1002144043 its reverse (3404412001), we get a palindrome (4406556044).

The spelling of 1002144043 in words is "one billion, two million, one hundred forty-four thousand, forty-three".