104021130 has 64 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 25657344.

The previous prime is 104021123. The next prime is 104021167. The reversal of 104021130 is 31120401.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28362 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (4201470).

Almost surely, 2^104021130 is an apocalyptic number.

104021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 104021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134447040).

104021130 is an abundant number, since it is smaller than the sum of its proper divisors (164872950).

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

104021130 is a wasteful number, since it uses less digits than its factorization.

104021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 104021130 is about 10199.0749580538. The cubic root of 104021130 is about 470.2987839144.

Adding to 104021130 its reverse (31120401), we get a palindrome (135141531).

The spelling of 104021130 in words is "one hundred four million, twenty-one thousand, one hundred thirty".