104121140 has 72 divisors (see below), whose sum is σ = 237360480. Its totient is φ = 38257920.

The previous prime is 104121139. The next prime is 104121151. The reversal of 104121140 is 41121401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638699 + ... + 638861.

Almost surely, 2^104121140 is an apocalyptic number.

104121140 is a gapful number since it is divisible by the number (10) 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 104121140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118680240).

104121140 is an abundant number, since it is smaller than the sum of its proper divisors (133239340).

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

104121140 is a wasteful number, since it uses less digits than its factorization.

104121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 104121140 is about 10203.9766757867. The cubic root of 104121140 is about 470.4494568779.

Adding to 104121140 its reverse (41121401), we get a palindrome (145242541).

The spelling of 104121140 in words is "one hundred four million, one hundred twenty-one thousand, one hundred forty".