100001008 has 20 divisors (see below), whose sum is σ = 194262120. Its totient is φ = 49868864.

The previous prime is 100000969. The next prime is 100001029. The reversal of 100001008 is 800100001.

It is a junction number, because it is equal to n+sod(n) for n = 100000985 and 100001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810 + ... + 14257.

It is an arithmetic number, because the mean of its divisors is an integer number (9713106).

Almost surely, 2^100001008 is an apocalyptic number.

It is an amenable number.

100001008 is a deficient number, since it is larger than the sum of its proper divisors (94261112).

100001008 is a wasteful number, since it uses less digits than its factorization.

100001008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464 (or 16458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 100001008 is about 10000.0503998730. The cubic root of 100001008 is about 464.1604429299.

Adding to 100001008 its reverse (800100001), we get a palindrome (900101009).

The spelling of 100001008 in words is "one hundred million, one thousand, eight".