104451220 has 24 divisors (see below), whose sum is σ = 219707208. Its totient is φ = 41712000.

The previous prime is 104451209. The next prime is 104451223. The reversal of 104451220 is 22154401.

It can be written as a sum of positive squares in 4 ways, for example, as 30869136 + 73582084 = 5556^2 + 8578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104451223) 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, 9270 + ... + 17170.

It is an arithmetic number, because the mean of its divisors is an integer number (9154467).

Almost surely, 2^104451220 is an apocalyptic number.

104451220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104451220 is an abundant number, since it is smaller than the sum of its proper divisors (115255988).

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

104451220 is a wasteful number, since it uses less digits than its factorization.

104451220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571 (or 8569 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 104451220 is about 10220.1379638437. The cubic root of 104451220 is about 470.9460648088.

The spelling of 104451220 in words is "one hundred four million, four hundred fifty-one thousand, two hundred twenty".