1002689171 has 8 divisors (see below), whose sum is σ = 1098540144. Its totient is φ = 907621120.

The previous prime is 1002689167. The next prime is 1002689183. The reversal of 1002689171 is 1719862001.

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 1002689171 - 2² = 1002689167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002689671) 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, 193046 + ... + 198171.

It is an arithmetic number, because the mean of its divisors is an integer number (137317518).

Almost surely, 2^1002689171 is an apocalyptic number.

1002689171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002689171 is a deficient number, since it is larger than the sum of its proper divisors (95850973).

1002689171 is a wasteful number, since it uses less digits than its factorization.

1002689171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391461.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 1002689171 is about 31665.2675813738. The cubic root of 1002689171 is about 1000.8955880160.

The spelling of 1002689171 in words is "one billion, two million, six hundred eighty-nine thousand, one hundred seventy-one".