103201985 has 8 divisors (see below), whose sum is σ = 131127336. Its totient is φ = 77704960.

The previous prime is 103201937. The next prime is 103201993. The reversal of 103201985 is 589102301.

It can be written as a sum of positive squares in 4 ways, for example, as 10445824 + 92756161 = 3232^2 + 9631^2 .

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

It is not a de Polignac number, because 103201985 - 2¹⁰ = 103200961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 606986 + ... + 607155.

It is an arithmetic number, because the mean of its divisors is an integer number (16390917).

Almost surely, 2^103201985 is an apocalyptic number.

It is an amenable number.

103201985 is a deficient number, since it is larger than the sum of its proper divisors (27925351).

103201985 is a wasteful number, since it uses less digits than its factorization.

103201985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214163.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 103201985 is about 10158.8377780138. The cubic root of 103201985 is about 469.0610271210.

The spelling of 103201985 in words is "one hundred three million, two hundred one thousand, nine hundred eighty-five".