104040612 has 120 divisors (see below), whose sum is σ = 310347576. Its totient is φ = 30108672.

The previous prime is 104040611. The next prime is 104040623. The reversal of 104040612 is 216040401.

104040612 is a `hidden beast` number, since 10 + 4 + 0 + 40 + 612 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39012516 + 65028096 = 6246^2 + 8064^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104040611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70878 + ... + 72330.

Almost surely, 2^104040612 is an apocalyptic number.

104040612 is a gapful number since it is divisible by the number (12) 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 104040612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155173788).

104040612 is an abundant number, since it is smaller than the sum of its proper divisors (206306964).

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

104040612 is a wasteful number, since it uses less digits than its factorization.

104040612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104040612 is about 10200.0299999559. The cubic root of 104040612 is about 470.3281426577.

The spelling of 104040612 in words is "one hundred four million, forty thousand, six hundred twelve".