104212100 has 18 divisors (see below), whose sum is σ = 226140474. Its totient is φ = 41684800.

The previous prime is 104212079. The next prime is 104212117. The reversal of 104212100 is 1212401.

It can be written as a sum of positive squares in 3 ways, for example, as 8836 + 104203264 = 94^2 + 10208^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 520961 + ... + 521160.

Almost surely, 2^104212100 is an apocalyptic number.

104212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104212100 is an abundant number, since it is smaller than the sum of its proper divisors (121928374).

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

104212100 is a wasteful number, since it uses less digits than its factorization.

104212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042135 (or 1042128 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 104212100 is about 10208.4327886312. The cubic root of 104212100 is about 470.5864115432.

Adding to 104212100 its reverse (1212401), we get a palindrome (105424501).

It can be divided in two parts, 10421 and 2100, that added together give a palindrome (12521).

The spelling of 104212100 in words is "one hundred four million, two hundred twelve thousand, one hundred".