109807725 has 12 divisors (see below), whose sum is σ = 181548896. Its totient is φ = 58564080.

The previous prime is 109807723. The next prime is 109807741. The reversal of 109807725 is 527708901.

It is not a de Polignac number, because 109807725 - 2¹ = 109807723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109807723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731977 + ... + 732126.

Almost surely, 2^109807725 is an apocalyptic number.

109807725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109807725 is a deficient number, since it is larger than the sum of its proper divisors (71741171).

109807725 is a wasteful number, since it uses less digits than its factorization.

109807725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464116 (or 1464111 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 109807725 is about 10478.9181216383. The cubic root of 109807725 is about 478.8626500837.

The spelling of 109807725 in words is "one hundred nine million, eight hundred seven thousand, seven hundred twenty-five".