104121620 has 12 divisors (see below), whose sum is σ = 218655444. Its totient is φ = 41648640.

The previous prime is 104121569. The next prime is 104121623. The reversal of 104121620 is 26121401.

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 66618244 = 6124^2 + 8162^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121623) 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 3 ways as a sum of consecutive naturals, for example, 2603021 + ... + 2603060.

It is an arithmetic number, because the mean of its divisors is an integer number (18221287).

Almost surely, 2^104121620 is an apocalyptic number.

104121620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104121620 is an abundant number, since it is smaller than the sum of its proper divisors (114533824).

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

104121620 is a wasteful number, since it uses less digits than its factorization.

104121620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206090 (or 5206088 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 104121620 is about 10204.0001960016. Note that the first 3 decimals coincide. The cubic root of 104121620 is about 470.4501798032.

The spelling of 104121620 in words is "one hundred four million, one hundred twenty-one thousand, six hundred twenty".