104621056 has 44 divisors (see below), whose sum is σ = 212232960. Its totient is φ = 51537920.

The previous prime is 104621051. The next prime is 104621071. The reversal of 104621056 is 650126401.

It is a self number, because there is not a number n which added to its sum of digits gives 104621056.

It is not an unprimeable number, because it can be changed into a prime (104621051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71985 + ... + 73423.

Almost surely, 2^104621056 is an apocalyptic number.

104621056 is a gapful number since it is divisible by the number (16) 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 104621056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106116480).

104621056 is an abundant number, since it is smaller than the sum of its proper divisors (107611904).

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

104621056 is an equidigital number, since it uses as much as digits as its factorization.

104621056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 104621056 is about 10228.4434788486. The cubic root of 104621056 is about 471.2011768260.

Adding to 104621056 its reverse (650126401), we get a palindrome (754747457).

The spelling of 104621056 in words is "one hundred four million, six hundred twenty-one thousand, fifty-six".