108121382 has 4 divisors (see below), whose sum is σ = 162182076. Its totient is φ = 54060690.

The previous prime is 108121379. The next prime is 108121423. The reversal of 108121382 is 283121801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27030344 + ... + 27030347.

It is an arithmetic number, because the mean of its divisors is an integer number (40545519).

Almost surely, 2^108121382 is an apocalyptic number.

108121382 is a deficient number, since it is larger than the sum of its proper divisors (54060694).

108121382 is an equidigital number, since it uses as much as digits as its factorization.

108121382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54060693.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 108121382 is about 10398.1431996294. The cubic root of 108121382 is about 476.3986579738.

The spelling of 108121382 in words is "one hundred eight million, one hundred twenty-one thousand, three hundred eighty-two".