107921908 has 12 divisors (see below), whose sum is σ = 188937252. Its totient is φ = 53939840.

The previous prime is 107921903. The next prime is 107921923. The reversal of 107921908 is 809129701.

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 105431824 = 1578^2 + 10268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107921903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14238 + ... + 20458.

It is an arithmetic number, because the mean of its divisors is an integer number (15744771).

Almost surely, 2^107921908 is an apocalyptic number.

It is an amenable number.

107921908 is a deficient number, since it is larger than the sum of its proper divisors (81015344).

107921908 is a wasteful number, since it uses less digits than its factorization.

107921908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562 (or 10560 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 107921908 is about 10388.5469628818. The cubic root of 107921908 is about 476.1055070597.

The spelling of 107921908 in words is "one hundred seven million, nine hundred twenty-one thousand, nine hundred eight".