109479812 has 12 divisors (see below), whose sum is σ = 206327436. Its totient is φ = 50529120.

The previous prime is 109479803. The next prime is 109479823. The reversal of 109479812 is 218974901.

It can be written as a sum of positive squares in 2 ways, for example, as 63457156 + 46022656 = 7966^2 + 6784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 109479812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052639 + ... + 1052742.

It is an arithmetic number, because the mean of its divisors is an integer number (17193953).

Almost surely, 2^109479812 is an apocalyptic number.

It is an amenable number.

109479812 is a deficient number, since it is larger than the sum of its proper divisors (96847624).

109479812 is a wasteful number, since it uses less digits than its factorization.

109479812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105398 (or 2105396 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 109479812 is about 10463.2601038109. The cubic root of 109479812 is about 478.3855074132.

The spelling of 109479812 in words is "one hundred nine million, four hundred seventy-nine thousand, eight hundred twelve".