1001321041 has 8 divisors (see below), whose sum is σ = 1168715520. Its totient is φ = 840013728.

The previous prime is 1001321021. The next prime is 1001321053. The reversal of 1001321041 is 1401231001.

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 1001321041 - 2⁷ = 1001320913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001321021) 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, 1521436 + ... + 1522093.

It is an arithmetic number, because the mean of its divisors is an integer number (146089440).

Almost surely, 2^1001321041 is an apocalyptic number.

It is an amenable number.

1001321041 is a deficient number, since it is larger than the sum of its proper divisors (167394479).

1001321041 is an equidigital number, since it uses as much as digits as its factorization.

1001321041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043583.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1001321041 is about 31643.6572001404. The cubic root of 1001321041 is about 1000.4401532367.

Adding to 1001321041 its reverse (1401231001), we get a palindrome (2402552042).

The spelling of 1001321041 in words is "one billion, one million, three hundred twenty-one thousand, forty-one".