104520840 has 64 divisors (see below), whose sum is σ = 323688960. Its totient is φ = 26972160.

The previous prime is 104520833. The next prime is 104520847. The reversal of 104520840 is 48025401.

It is an interprime number because it is at equal distance from previous prime (104520833) and next prime (104520847).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 104520840.

It is not an unprimeable number, because it can be changed into a prime (104520847) 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 15 ways as a sum of consecutive naturals, for example, 10329 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (5057640).

Almost surely, 2^104520840 is an apocalyptic number.

104520840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104520840 is an abundant number, since it is smaller than the sum of its proper divisors (219168120).

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

104520840 is a wasteful number, since it uses less digits than its factorization.

104520840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28142 (or 28138 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 104520840 is about 10223.5434170350. The cubic root of 104520840 is about 471.0506749900.

The spelling of 104520840 in words is "one hundred four million, five hundred twenty thousand, eight hundred forty".