103204165 has 4 divisors (see below), whose sum is σ = 123845004. Its totient is φ = 82563328.

The previous prime is 103204111. The next prime is 103204223. The reversal of 103204165 is 561402301.

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 17048641 + 86155524 = 4129^2 + 9282^2 .

It is a cyclic number.

It is not a de Polignac number, because 103204165 - 2⁷ = 103204037 is a prime.

It is a super-3 number, since 3×103204165³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10320412 + ... + 10320421.

It is an arithmetic number, because the mean of its divisors is an integer number (30961251).

Almost surely, 2^103204165 is an apocalyptic number.

It is an amenable number.

103204165 is a deficient number, since it is larger than the sum of its proper divisors (20640839).

103204165 is an equidigital number, since it uses as much as digits as its factorization.

103204165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640838.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 103204165 is about 10158.9450731855. The cubic root of 103204165 is about 469.0643298541.

Adding to 103204165 its reverse (561402301), we get a palindrome (664606466).

The spelling of 103204165 in words is "one hundred three million, two hundred four thousand, one hundred sixty-five".