1008109902 has 8 divisors (see below), whose sum is σ = 2016219816. Its totient is φ = 336036632.

The previous prime is 1008109891. The next prime is 1008109903. The reversal of 1008109902 is 2099018001.

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

1008109902 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1008109902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008109903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84009153 + ... + 84009164.

It is an arithmetic number, because the mean of its divisors is an integer number (252027477).

Almost surely, 2^1008109902 is an apocalyptic number.

1008109902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1008109902 is a wasteful number, since it uses less digits than its factorization.

1008109902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168018322.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1008109902 is about 31750.7464794137. The cubic root of 1008109902 is about 1002.6960255807.

The spelling of 1008109902 in words is "one billion, eight million, one hundred nine thousand, nine hundred two".