104171420 has 24 divisors (see below), whose sum is σ = 219002784. Its totient is φ = 41622336.

The previous prime is 104171387. The next prime is 104171429. The reversal of 104171420 is 24171401.

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 = 104171392 and 104171401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104171429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20009 + ... + 24671.

It is an arithmetic number, because the mean of its divisors is an integer number (9125116).

Almost surely, 2^104171420 is an apocalyptic number.

104171420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104171420 is an abundant number, since it is smaller than the sum of its proper divisors (114831364).

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

104171420 is a wasteful number, since it uses less digits than its factorization.

104171420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789 (or 5787 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 104171420 is about 10206.4401237650. The cubic root of 104171420 is about 470.5251712243.

The spelling of 104171420 in words is "one hundred four million, one hundred seventy-one thousand, four hundred twenty".