100470985 has 8 divisors (see below), whose sum is σ = 121178376. Its totient is φ = 79968000.

The previous prime is 100470977. The next prime is 100471009. The reversal of 100470985 is 589074001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12411529 + 88059456 = 3523^2 + 9384^2 .

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

It is not a de Polignac number, because 100470985 - 2³ = 100470977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100470985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50016 + ... + 51985.

It is an arithmetic number, because the mean of its divisors is an integer number (15147297).

Almost surely, 2^100470985 is an apocalyptic number.

It is an amenable number.

100470985 is a deficient number, since it is larger than the sum of its proper divisors (20707391).

100470985 is a wasteful number, since it uses less digits than its factorization.

100470985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102203.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 100470985 is about 10023.5215867478. The cubic root of 100470985 is about 464.8864485519.

The spelling of 100470985 in words is "one hundred million, four hundred seventy thousand, nine hundred eighty-five".