100885009 has 8 divisors (see below), whose sum is σ = 103400352. Its totient is φ = 98377440.

The previous prime is 100884991. The next prime is 100885013. The reversal of 100885009 is 900588001.

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 100885009 - 2¹¹ = 100882961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100885709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31182 + ... + 34264.

It is an arithmetic number, because the mean of its divisors is an integer number (12925044).

Almost surely, 2^100885009 is an apocalyptic number.

It is an amenable number.

100885009 is a deficient number, since it is larger than the sum of its proper divisors (2515343).

100885009 is an equidigital number, since it uses as much as digits as its factorization.

100885009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 100885009 is about 10044.1529757367. The cubic root of 100885009 is about 465.5241463114.

The spelling of 100885009 in words is "one hundred million, eight hundred eighty-five thousand, nine".