104123721860 has 24 divisors (see below), whose sum is σ = 222244405656. Its totient is φ = 40966709760.

The previous prime is 104123721841. The next prime is 104123721869. The reversal of 104123721860 is 68127321401.

104123721860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10721359936 + 93402361924 = 103544^2 + 305618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104123721860.

It is not an unprimeable number, because it can be changed into a prime (104123721869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42672437 + ... + 42674876.

It is an arithmetic number, because the mean of its divisors is an integer number (9260183569).

Almost surely, 2^104123721860 is an apocalyptic number.

104123721860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104123721860 is an abundant number, since it is smaller than the sum of its proper divisors (118120683796).

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

104123721860 is a wasteful number, since it uses less digits than its factorization.

104123721860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85347383 (or 85347381 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 104123721860 in words is "one hundred four billion, one hundred twenty-three million, seven hundred twenty-one thousand, eight hundred sixty".