100300000 has 144 divisors (see below), whose sum is σ = 265764240. Its totient is φ = 37120000.

The previous prime is 100299961. The next prime is 100300001. The reversal of 100300000 is 3001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1699971 + ... + 1700029.

It is an arithmetic number, because the mean of its divisors is an integer number (1845585).

Almost surely, 2^100300000 is an apocalyptic number.

100300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132882120).

100300000 is an abundant number, since it is smaller than the sum of its proper divisors (165464240).

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

100300000 is an frugal number, since it uses more digits than its factorization.

100300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 100300000 is about 10014.9887668434. The cubic root of 100300000 is about 464.6225788578.

Adding to 100300000 its reverse (3001), we get a palindrome (100303001).

The spelling of 100300000 in words is "one hundred million, three hundred thousand".