100009047 has 8 divisors (see below), whose sum is σ = 133392880. Its totient is φ = 66648960.

The previous prime is 100009043. The next prime is 100009057. The reversal of 100009047 is 740900001.

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

It is not a de Polignac number, because 100009047 - 2² = 100009043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100009043) 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, 10029 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (16674110).

Almost surely, 2^100009047 is an apocalyptic number.

100009047 is a deficient number, since it is larger than the sum of its proper divisors (33383833).

100009047 is an equidigital number, since it uses as much as digits as its factorization.

100009047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 100009047 is about 10000.4523397694. The cubic root of 100009047 is about 464.1728804239.

Adding to 100009047 its reverse (740900001), we get a palindrome (840909048).

The spelling of 100009047 in words is "one hundred million, nine thousand, forty-seven".