104012140 has 24 divisors (see below), whose sum is σ = 221688432. Its totient is φ = 40983360.

The previous prime is 104012131. The next prime is 104012149. The reversal of 104012140 is 41210401.

It is an interprime number because it is at equal distance from previous prime (104012131) and next prime (104012149).

It is a self number, because there is not a number n which added to its sum of digits gives 104012140.

It is not an unprimeable number, because it can be changed into a prime (104012149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37471 + ... + 40150.

It is an arithmetic number, because the mean of its divisors is an integer number (9237018).

Almost surely, 2^104012140 is an apocalyptic number.

104012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104012140 is an abundant number, since it is smaller than the sum of its proper divisors (117676292).

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

104012140 is a wasteful number, since it uses less digits than its factorization.

104012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77697 (or 77695 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 104012140 is about 10198.6342222868. The cubic root of 104012140 is about 470.2852350393.

Adding to 104012140 its reverse (41210401), we get a palindrome (145222541).

The spelling of 104012140 in words is "one hundred four million, twelve thousand, one hundred forty".