103818720 has 48 divisors (see below), whose sum is σ = 327030480. Its totient is φ = 27684864.

The previous prime is 103818713. The next prime is 103818731. The reversal of 103818720 is 27818301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 107665 + ... + 108624.

It is an arithmetic number, because the mean of its divisors is an integer number (6813135).

Almost surely, 2^103818720 is an apocalyptic number.

103818720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103818720 is an abundant number, since it is smaller than the sum of its proper divisors (223211760).

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

103818720 is a wasteful number, since it uses less digits than its factorization.

103818720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216307 (or 216299 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 103818720 is about 10189.1471674522. The cubic root of 103818720 is about 469.9935414836.

The spelling of 103818720 in words is "one hundred three million, eight hundred eighteen thousand, seven hundred twenty".