104407128 has 96 divisors (see below), whose sum is σ = 340204800. Its totient is φ = 28257984.

The previous prime is 104407123. The next prime is 104407157. The reversal of 104407128 is 821704401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104407123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4125 + ... + 15027.

It is an arithmetic number, because the mean of its divisors is an integer number (3543800).

Almost surely, 2^104407128 is an apocalyptic number.

104407128 is a gapful number since it is divisible by the number (18) 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 104407128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170102400).

104407128 is an abundant number, since it is smaller than the sum of its proper divisors (235797672).

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

104407128 is a wasteful number, since it uses less digits than its factorization.

104407128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941 (or 10934 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 104407128 is about 10217.9806224126. The cubic root of 104407128 is about 470.8797886516.

The spelling of 104407128 in words is "one hundred four million, four hundred seven thousand, one hundred twenty-eight".