1002144071 has 2 divisors, whose sum is σ = 1002144072. Its totient is φ = 1002144070.

The previous prime is 1002144043. The next prime is 1002144127. The reversal of 1002144071 is 1704412001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002144071 - 2⁶ = 1002144007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002140071) 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, 501072035 + 501072036.

It is an arithmetic number, because the mean of its divisors is an integer number (501072036).

Almost surely, 2^1002144071 is an apocalyptic number.

1002144071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002144071 is an equidigital number, since it uses as much as digits as its factorization.

1002144071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1002144071 is about 31656.6591888658. The cubic root of 1002144071 is about 1000.7141801586.

Adding to 1002144071 its reverse (1704412001), we get a palindrome (2706556072).

The spelling of 1002144071 in words is "one billion, two million, one hundred forty-four thousand, seventy-one".