103199 has 4 divisors (see below), whose sum is σ = 106560. Its totient is φ = 99840.

The previous prime is 103183. The next prime is 103217. The reversal of 103199 is 991301.

103199 = 42² + 43² + ... + 72².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991301 = 631 ⋅1571.

It is a cyclic number.

It is not a de Polignac number, because 103199 - 2⁴ = 103183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103199.

It is not an unprimeable number, because it can be changed into a prime (103099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (26640).

2¹⁰³¹⁹⁹ is an apocalyptic number.

103199 is a deficient number, since it is larger than the sum of its proper divisors (3361).

103199 is an equidigital number, since it uses as much as digits as its factorization.

103199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 103199 is about 321.2460116484. The cubic root of 103199 is about 46.9056504725.

The spelling of 103199 in words is "one hundred three thousand, one hundred ninety-nine".