104821236 has 72 divisors (see below), whose sum is σ = 294322560. Its totient is φ = 32247072.

The previous prime is 104821187. The next prime is 104821243. The reversal of 104821236 is 632128401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15381 + ... + 21123.

Almost surely, 2^104821236 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 104821236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147161280).

104821236 is an abundant number, since it is smaller than the sum of its proper divisors (189501324).

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

104821236 is a wasteful number, since it uses less digits than its factorization.

104821236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5761 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 104821236 is about 10238.2242600951. The cubic root of 104821236 is about 471.5015145690.

Adding to 104821236 its reverse (632128401), we get a palindrome (736949637).

The spelling of 104821236 in words is "one hundred four million, eight hundred twenty-one thousand, two hundred thirty-six".