108699601 has 2 divisors, whose sum is σ = 108699602. Its totient is φ = 108699600.

The previous prime is 108699593. The next prime is 108699607. The reversal of 108699601 is 106996801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108576400 + 123201 = 10420^2 + 351^2 .

It is an emirp because it is prime and its reverse (106996801) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 109669801 and 108966901.

It is a cyclic number.

It is not a de Polignac number, because 108699601 - 2³ = 108699593 is a prime.

It is not a weakly prime, because it can be changed into another prime (108699607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54349800 + 54349801.

It is an arithmetic number, because the mean of its divisors is an integer number (54349801).

Almost surely, 2^108699601 is an apocalyptic number.

It is an amenable number.

108699601 is a deficient number, since it is larger than the sum of its proper divisors (1).

108699601 is an equidigital number, since it uses as much as digits as its factorization.

108699601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 108699601 is about 10425.9100801801. The cubic root of 108699601 is about 477.2463878061.

The spelling of 108699601 in words is "one hundred eight million, six hundred ninety-nine thousand, six hundred one".