100001304 has 112 divisors (see below), whose sum is σ = 302979600. Its totient is φ = 30746304.

The previous prime is 100001303. The next prime is 100001329. The reversal of 100001304 is 403100001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001303) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 75157 + ... + 76475.

It is an arithmetic number, because the mean of its divisors is an integer number (2705175).

Almost surely, 2^100001304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100001304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151489800).

100001304 is an abundant number, since it is smaller than the sum of its proper divisors (202978296).

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

100001304 is a wasteful number, since it uses less digits than its factorization.

100001304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100001304 is about 10000.0651997874. The cubic root of 100001304 is about 464.1609008965.

Adding to 100001304 its reverse (403100001), we get a palindrome (503101305).

The spelling of 100001304 in words is "one hundred million, one thousand, three hundred four".