108429812 has 12 divisors (see below), whose sum is σ = 190568196. Its totient is φ = 53981760.

The previous prime is 108429781. The next prime is 108429829. The reversal of 108429812 is 218924801.

It can be written as a sum of positive squares in 2 ways, for example, as 50608996 + 57820816 = 7114^2 + 7604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57239 + ... + 59102.

It is an arithmetic number, because the mean of its divisors is an integer number (15880683).

Almost surely, 2^108429812 is an apocalyptic number.

It is an amenable number.

108429812 is a deficient number, since it is larger than the sum of its proper divisors (82138384).

108429812 is a wasteful number, since it uses less digits than its factorization.

108429812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116578 (or 116576 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 108429812 is about 10412.9636511418. The cubic root of 108429812 is about 476.8512238426.

The spelling of 108429812 in words is "one hundred eight million, four hundred twenty-nine thousand, eight hundred twelve".