100300100 has 18 divisors (see below), whose sum is σ = 217651434. Its totient is φ = 40120000.

The previous prime is 100300099. The next prime is 100300121. The reversal of 100300100 is 1003001.

It can be written as a sum of positive squares in 3 ways, for example, as 9821956 + 90478144 = 3134^2 + 9512^2 .

It is a super-2 number, since 2×100300100² = 20120220120020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501401 + ... + 501600.

Almost surely, 2^100300100 is an apocalyptic number.

100300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100300100 is an abundant number, since it is smaller than the sum of its proper divisors (117351334).

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

100300100 is a wasteful number, since it uses less digits than its factorization.

100300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003015 (or 1003008 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 100300100 is about 10014.9937593590. The cubic root of 100300100 is about 464.6227332687.

Adding to 100300100 its reverse (1003001), we get a palindrome (101303101).

Multiplying 100300100 by its reverse (1003001), we get a square (100601100600100 = 10030010²).

100300100 divided by its reverse (1003001) gives a square (100 = 10²).

The spelling of 100300100 in words is "one hundred million, three hundred thousand, one hundred".