104123880 has 160 divisors (see below), whose sum is σ = 400055040. Its totient is φ = 23794560.

The previous prime is 104123879. The next prime is 104123881. The reversal of 104123880 is 88321401.

It is an interprime number because it is at equal distance from previous prime (104123879) and next prime (104123881).

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

It is not an unprimeable number, because it can be changed into a prime (104123881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20385 + ... + 24975.

It is an arithmetic number, because the mean of its divisors is an integer number (2500344).

Almost surely, 2^104123880 is an apocalyptic number.

104123880 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 104123880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200027520).

104123880 is an abundant number, since it is smaller than the sum of its proper divisors (295931160).

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

104123880 is a wasteful number, since it uses less digits than its factorization.

104123880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 104123880 is about 10204.1109362845. The cubic root of 104123880 is about 470.4535835462.

The spelling of 104123880 in words is "one hundred four million, one hundred twenty-three thousand, eight hundred eighty".