109521982 has 8 divisors (see below), whose sum is σ = 165291336. Its totient is φ = 54424872.

The previous prime is 109521959. The next prime is 109522013. The reversal of 109521982 is 289125901.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 167653 + ... + 168304.

It is an arithmetic number, because the mean of its divisors is an integer number (20661417).

Almost surely, 2^109521982 is an apocalyptic number.

109521982 is a deficient number, since it is larger than the sum of its proper divisors (55769354).

109521982 is a wasteful number, since it uses less digits than its factorization.

109521982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336122.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 109521982 is about 10465.2750561082. The cubic root of 109521982 is about 478.4469218629.

The spelling of 109521982 in words is "one hundred nine million, five hundred twenty-one thousand, nine hundred eighty-two".