108412820 has 24 divisors (see below), whose sum is σ = 227862600. Its totient is φ = 43327872.

The previous prime is 108412819. The next prime is 108412831. The reversal of 108412820 is 28214801.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 107081104 = 1154^2 + 10348^2 .

It is a super-3 number, since 3×108412820³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108412820.

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, 44186 + ... + 46574.

It is an arithmetic number, because the mean of its divisors is an integer number (9494275).

Almost surely, 2^108412820 is an apocalyptic number.

108412820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108412820 is an abundant number, since it is smaller than the sum of its proper divisors (119449780).

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

108412820 is a wasteful number, since it uses less digits than its factorization.

108412820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 108412820 is about 10412.1477131282. The cubic root of 108412820 is about 476.8263134754.

The spelling of 108412820 in words is "one hundred eight million, four hundred twelve thousand, eight hundred twenty".