108725017 has 4 divisors (see below), whose sum is σ = 109036900. Its totient is φ = 108413136.

The previous prime is 108725009. The next prime is 108725021. The reversal of 108725017 is 710527801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99580441 + 9144576 = 9979^2 + 3024^2 .

It is a cyclic number.

It is not a de Polignac number, because 108725017 - 2³ = 108725009 is a prime.

It is a super-2 number, since 2×108725017² = 23642258643300578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108725017.

It is not an unprimeable number, because it can be changed into a prime (108725077) 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 3 ways as a sum of consecutive naturals, for example, 155418 + ... + 156115.

It is an arithmetic number, because the mean of its divisors is an integer number (27259225).

Almost surely, 2^108725017 is an apocalyptic number.

It is an amenable number.

108725017 is a deficient number, since it is larger than the sum of its proper divisors (311883).

108725017 is an equidigital number, since it uses as much as digits as its factorization.

108725017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311882.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 108725017 is about 10427.1288953384. The cubic root of 108725017 is about 477.2835812849.

The spelling of 108725017 in words is "one hundred eight million, seven hundred twenty-five thousand, seventeen".