1002111329 has 4 divisors (see below), whose sum is σ = 1002321684. Its totient is φ = 1001900976.

The previous prime is 1002111277. The next prime is 1002111361. The reversal of 1002111329 is 9231112001.

1002111329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9231112001 = 79 ⋅116849519.

It can be written as a sum of positive squares in 2 ways, for example, as 597900304 + 404211025 = 24452^2 + 20105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002111329 - 2⁸ = 1002111073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002111329.

It is not an unprimeable number, because it can be changed into a prime (1002111029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97862 + ... + 107615.

It is an arithmetic number, because the mean of its divisors is an integer number (250580421).

Almost surely, 2^1002111329 is an apocalyptic number.

It is an amenable number.

1002111329 is a deficient number, since it is larger than the sum of its proper divisors (210355).

1002111329 is an equidigital number, since it uses as much as digits as its factorization.

1002111329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210354.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1002111329 is about 31656.1420422641. The cubic root of 1002111329 is about 1000.7032816124.

The spelling of 1002111329 in words is "one billion, two million, one hundred eleven thousand, three hundred twenty-nine".