1001329 has 8 divisors (see below), whose sum is σ = 1166400. Its totient is φ = 841776.

The previous prime is 1001327. The next prime is 1001347. The reversal of 1001329 is 9231001.

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 1001329 - 2¹ = 1001327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001321) 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, 979 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^1001329 is an apocalyptic number.

It is an amenable number.

1001329 is a deficient number, since it is larger than the sum of its proper divisors (165071).

1001329 is an equidigital number, since it uses as much as digits as its factorization.

1001329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1001329 is about 1000.6642793665. The cubic root of 1001329 is about 100.0442803896.

The spelling of 1001329 in words is "one million, one thousand, three hundred twenty-nine".