108121894 has 16 divisors (see below), whose sum is σ = 171126000. Its totient is φ = 51093504.

The previous prime is 108121891. The next prime is 108121901. The reversal of 108121894 is 498121801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108121891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13894 + ... + 20230.

It is an arithmetic number, because the mean of its divisors is an integer number (10695375).

Almost surely, 2^108121894 is an apocalyptic number.

108121894 is a deficient number, since it is larger than the sum of its proper divisors (63004106).

108121894 is a wasteful number, since it uses less digits than its factorization.

108121894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 108121894 is about 10398.1678193805. The cubic root of 108121894 is about 476.3994099549.

The spelling of 108121894 in words is "one hundred eight million, one hundred twenty-one thousand, eight hundred ninety-four".