1001001039 has 8 divisors (see below), whose sum is σ = 1352951472. Its totient is φ = 658192320.

The previous prime is 1001001037. The next prime is 1001001047. The reversal of 1001001039 is 9301001001.

1001001039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1001001039 - 2¹ = 1001001037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001001037) 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, 2285172 + ... + 2285609.

It is an arithmetic number, because the mean of its divisors is an integer number (169118934).

Almost surely, 2^1001001039 is an apocalyptic number.

1001001039 is a deficient number, since it is larger than the sum of its proper divisors (351950433).

1001001039 is an equidigital number, since it uses as much as digits as its factorization.

1001001039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570857.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1001001039 is about 31638.6004589331. The cubic root of 1001001039 is about 1000.3335683864. Note that the first 3 decimals are identical.

The spelling of 1001001039 in words is "one billion, one million, one thousand, thirty-nine".