1002081329 has 8 divisors (see below), whose sum is σ = 1012522560. Its totient is φ = 991693296.

The previous prime is 1002081281. The next prime is 1002081347. The reversal of 1002081329 is 9231802001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002081329 - 2²⁸ = 733645873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002081298 and 1002081307.

It is not an unprimeable number, because it can be changed into a prime (1002081529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25142 + ... + 51344.

It is an arithmetic number, because the mean of its divisors is an integer number (126565320).

Almost surely, 2^1002081329 is an apocalyptic number.

It is an amenable number.

1002081329 is a deficient number, since it is larger than the sum of its proper divisors (10441231).

1002081329 is a wasteful number, since it uses less digits than its factorization.

1002081329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26599.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1002081329 is about 31655.6681970228. The cubic root of 1002081329 is about 1000.6932955635.

The spelling of 1002081329 in words is "one billion, two million, eighty-one thousand, three hundred twenty-nine".