109401599 has 8 divisors (see below), whose sum is σ = 110170368. Its totient is φ = 108636120.

The previous prime is 109401587. The next prime is 109401667. The reversal of 109401599 is 995104901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109401599 - 2⁴ = 109401583 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 (109403599) 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 in 7 ways as a sum of consecutive naturals, for example, 112184 + ... + 113154.

It is an arithmetic number, because the mean of its divisors is an integer number (13771296).

Almost surely, 2^109401599 is an apocalyptic number.

109401599 is a deficient number, since it is larger than the sum of its proper divisors (768769).

109401599 is an equidigital number, since it uses as much as digits as its factorization.

109401599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 109401599 is about 10459.5219298016. The cubic root of 109401599 is about 478.2715598321.

The spelling of 109401599 in words is "one hundred nine million, four hundred one thousand, five hundred ninety-nine".