1004331121 has 8 divisors (see below), whose sum is σ = 1033449984. Its totient is φ = 975432480.

The previous prime is 1004331067. The next prime is 1004331191. The reversal of 1004331121 is 1211334001.

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 1004331121 - 2⁹ = 1004330609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004331095 and 1004331104.

It is not an unprimeable number, because it can be changed into a prime (1004331191) 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 in 7 ways as a sum of consecutive naturals, for example, 45781 + ... + 64066.

It is an arithmetic number, because the mean of its divisors is an integer number (129181248).

Almost surely, 2^1004331121 is an apocalyptic number.

It is an amenable number.

1004331121 is a deficient number, since it is larger than the sum of its proper divisors (29118863).

1004331121 is a wasteful number, since it uses less digits than its factorization.

1004331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110111.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1004331121 is about 31691.1836478223. The cubic root of 1004331121 is about 1001.4416277108.

Adding to 1004331121 its reverse (1211334001), we get a palindrome (2215665122).

The spelling of 1004331121 in words is "one billion, four million, three hundred thirty-one thousand, one hundred twenty-one".