107721305 has 16 divisors (see below), whose sum is σ = 135665280. Its totient is φ = 81954048.

The previous prime is 107721269. The next prime is 107721323. The reversal of 107721305 is 503127701.

It is a cyclic number.

It is not a de Polignac number, because 107721305 - 2¹⁴ = 107704921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17969 + ... + 23201.

It is an arithmetic number, because the mean of its divisors is an integer number (8479080).

Almost surely, 2^107721305 is an apocalyptic number.

It is an amenable number.

107721305 is a deficient number, since it is larger than the sum of its proper divisors (27943975).

107721305 is a wasteful number, since it uses less digits than its factorization.

107721305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 107721305 is about 10378.8874644636. The cubic root of 107721305 is about 475.8103324216.

The spelling of 107721305 in words is "one hundred seven million, seven hundred twenty-one thousand, three hundred five".