108190100 has 18 divisors (see below), whose sum is σ = 234772734. Its totient is φ = 43276000.

The previous prime is 108190081. The next prime is 108190127. The reversal of 108190100 is 1091801.

It can be written as a sum of positive squares in 3 ways, for example, as 8549776 + 99640324 = 2924^2 + 9982^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540851 + ... + 541050.

Almost surely, 2^108190100 is an apocalyptic number.

108190100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108190100 is an abundant number, since it is smaller than the sum of its proper divisors (126582634).

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

108190100 is a wasteful number, since it uses less digits than its factorization.

108190100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081915 (or 1081908 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 108190100 is about 10401.4470147187. The cubic root of 108190100 is about 476.4995637931.

The spelling of 108190100 in words is "one hundred eight million, one hundred ninety thousand, one hundred".