1002001094 has 8 divisors (see below), whose sum is σ = 1504155528. Its totient is φ = 500615920.

The previous prime is 1002001087. The next prime is 1002001123. The reversal of 1002001094 is 4901002001.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 189047 + ... + 194274.

It is an arithmetic number, because the mean of its divisors is an integer number (188019441).

Almost surely, 2^1002001094 is an apocalyptic number.

1002001094 is a deficient number, since it is larger than the sum of its proper divisors (502154434).

1002001094 is a wasteful number, since it uses less digits than its factorization.

1002001094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384630.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1002001094 is about 31654.4008630712. The cubic root of 1002001094 is about 1000.6665868965. Note that the first 3 decimals are identical.

Adding to 1002001094 its reverse (4901002001), we get a palindrome (5903003095).

The spelling of 1002001094 in words is "one billion, two million, one thousand, ninety-four".