1002144029 has 2 divisors, whose sum is σ = 1002144030. Its totient is φ = 1002144028.

The previous prime is 1002144023. The next prime is 1002144043. The reversal of 1002144029 is 9204412001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000267129 + 1876900 = 31627^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002144029 - 2⁸ = 1002143773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002143995 and 1002144013.

It is a congruent number.

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, 501072014 + 501072015.

It is an arithmetic number, because the mean of its divisors is an integer number (501072015).

Almost surely, 2^1002144029 is an apocalyptic number.

It is an amenable number.

1002144029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002144029 is an equidigital number, since it uses as much as digits as its factorization.

1002144029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1002144029 is about 31656.6585254982. The cubic root of 1002144029 is about 1000.7141661786.

The spelling of 1002144029 in words is "one billion, two million, one hundred forty-four thousand, twenty-nine".