103708920 has 128 divisors (see below), whose sum is σ = 357603840. Its totient is φ = 23569920.

The previous prime is 103708889. The next prime is 103708939. The reversal of 103708920 is 29807301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277854 + ... + 278226.

It is an arithmetic number, because the mean of its divisors is an integer number (2793780).

Almost surely, 2^103708920 is an apocalyptic number.

103708920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103708920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178801920).

103708920 is an abundant number, since it is smaller than the sum of its proper divisors (253894920).

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

103708920 is a wasteful number, since it uses less digits than its factorization.

103708920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 103708920 is about 10183.7576561896. The cubic root of 103708920 is about 469.8277926528.

The spelling of 103708920 in words is "one hundred three million, seven hundred eight thousand, nine hundred twenty".