104132028 has 96 divisors (see below), whose sum is σ = 326269440. Its totient is φ = 24963840.

The previous prime is 104131969. The next prime is 104132059. The reversal of 104132028 is 820231401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 104131995 and 104132013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7678 + ... + 16346.

It is an arithmetic number, because the mean of its divisors is an integer number (3398640).

Almost surely, 2^104132028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104132028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163134720).

104132028 is an abundant number, since it is smaller than the sum of its proper divisors (222137412).

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

104132028 is a wasteful number, since it uses less digits than its factorization.

104132028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 104132028 is about 10204.5101793276. The cubic root of 104132028 is about 470.4658546852.

Adding to 104132028 its reverse (820231401), we get a palindrome (924363429).

The spelling of 104132028 in words is "one hundred four million, one hundred thirty-two thousand, twenty-eight".