104128236 has 36 divisors (see below), whose sum is σ = 265119400. Its totient is φ = 34458048.

The previous prime is 104128229. The next prime is 104128243. The reversal of 104128236 is 632821401.

104128236 is a `hidden beast` number, since 10 + 412 + 8 + 236 = 666.

It is an interprime number because it is at equal distance from previous prime (104128229) and next prime (104128243).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5401 + ... + 15408.

Almost surely, 2^104128236 is an apocalyptic number.

It is an amenable number.

104128236 is an abundant number, since it is smaller than the sum of its proper divisors (160991164).

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

104128236 is a wasteful number, since it uses less digits than its factorization.

104128236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20958 (or 20953 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 104128236 is about 10204.3243774392. The cubic root of 104128236 is about 470.4601438960.

Adding to 104128236 its reverse (632821401), we get a palindrome (736949637).

The spelling of 104128236 in words is "one hundred four million, one hundred twenty-eight thousand, two hundred thirty-six".