100605100 has 36 divisors (see below), whose sum is σ = 218845368. Its totient is φ = 40144000.

The previous prime is 100605097. The next prime is 100605101. The reversal of 100605100 is 1506001.

It is a super-2 number, since 2×100605100² = 20242772292020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100605101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51135 + ... + 53065.

It is an arithmetic number, because the mean of its divisors is an integer number (6079038).

Almost surely, 2^100605100 is an apocalyptic number.

100605100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100605100 is an abundant number, since it is smaller than the sum of its proper divisors (118240268).

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

100605100 is a wasteful number, since it uses less digits than its factorization.

100605100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 100605100 is about 10030.2093696991. The cubic root of 100605100 is about 465.0932098190.

Subtracting from 100605100 its reverse (1506001), we obtain a palindrome (99099099).

The spelling of 100605100 in words is "one hundred million, six hundred five thousand, one hundred".