104120440 has 32 divisors (see below), whose sum is σ = 242352000. Its totient is φ = 40211584.

The previous prime is 104120407. The next prime is 104120447. The reversal of 104120440 is 44021401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104120447) 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 7 ways as a sum of consecutive naturals, for example, 43720 + ... + 46039.

It is an arithmetic number, because the mean of its divisors is an integer number (7573500).

Almost surely, 2^104120440 is an apocalyptic number.

104120440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104120440 is an abundant number, since it is smaller than the sum of its proper divisors (138231560).

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

104120440 is a wasteful number, since it uses less digits than its factorization.

104120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89799 (or 89795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 104120440 is about 10203.9423753763. The cubic root of 104120440 is about 470.4484026080.

Adding to 104120440 its reverse (44021401), we get a palindrome (148141841).

The spelling of 104120440 in words is "one hundred four million, one hundred twenty thousand, four hundred forty".