104257229 has 4 divisors (see below), whose sum is σ = 108790176. Its totient is φ = 99724284.

The previous prime is 104257217. The next prime is 104257253. The reversal of 104257229 is 922752401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922752401 = 17 ⋅54279553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104257229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104257195 and 104257204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104257289) 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, 2266439 + ... + 2266484.

It is an arithmetic number, because the mean of its divisors is an integer number (27197544).

Almost surely, 2^104257229 is an apocalyptic number.

It is an amenable number.

104257229 is a deficient number, since it is larger than the sum of its proper divisors (4532947).

104257229 is an equidigital number, since it uses as much as digits as its factorization.

104257229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532946.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 104257229 is about 10210.6429278474. The cubic root of 104257229 is about 470.6543308134.

The spelling of 104257229 in words is "one hundred four million, two hundred fifty-seven thousand, two hundred twenty-nine".