104249 has 4 divisors (see below), whose sum is σ = 106020. Its totient is φ = 102480.

The previous prime is 104243. The next prime is 104281. The reversal of 104249 is 942401.

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 10000 + 94249 = 100^2 + 307^2 .

It is not a de Polignac number, because 104249 - 2⁴ = 104233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 104249.

It is not an unprimeable number, because it can be changed into a prime (104243) 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, 794 + ... + 915.

It is an arithmetic number, because the mean of its divisors is an integer number (26505).

2¹⁰⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

104249 is a deficient number, since it is larger than the sum of its proper divisors (1771).

104249 is an equidigital number, since it uses as much as digits as its factorization.

104249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 104249 is about 322.8761372415. The cubic root of 104249 is about 47.0641947607.

It can be divided in two parts, 104 and 249, that added together give a palindrome (353).

The spelling of 104249 in words is "one hundred four thousand, two hundred forty-nine".