1000191002 has 8 divisors (see below), whose sum is σ = 1518362496. Its totient is φ = 494070172.

The previous prime is 1000190963. The next prime is 1000191011. The reversal of 1000191002 is 2001910001.

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

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, 3012458 + ... + 3012789.

It is an arithmetic number, because the mean of its divisors is an integer number (189795312).

Almost surely, 2^1000191002 is an apocalyptic number.

1000191002 is a deficient number, since it is larger than the sum of its proper divisors (518171494).

1000191002 is an equidigital number, since it uses as much as digits as its factorization.

1000191002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025332.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1000191002 is about 31625.7964642790. The cubic root of 1000191002 is about 1000.0636632802.

The spelling of 1000191002 in words is "one billion, one hundred ninety-one thousand, two".