104161520 has 20 divisors (see below), whose sum is σ = 242175720. Its totient is φ = 41664576.

The previous prime is 104161517. The next prime is 104161537. The reversal of 104161520 is 25161401.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 104161492 and 104161501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650930 + ... + 651089.

It is an arithmetic number, because the mean of its divisors is an integer number (12108786).

Almost surely, 2^104161520 is an apocalyptic number.

104161520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104161520 is an abundant number, since it is smaller than the sum of its proper divisors (138014200).

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

104161520 is a wasteful number, since it uses less digits than its factorization.

104161520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302032 (or 1302026 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 104161520 is about 10205.9551243379. The cubic root of 104161520 is about 470.5102651949.

The spelling of 104161520 in words is "one hundred four million, one hundred sixty-one thousand, five hundred twenty".