104237281 has 4 divisors (see below), whose sum is σ = 107831700. Its totient is φ = 100642864.

The previous prime is 104237279. The next prime is 104237291. The reversal of 104237281 is 182732401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 182732401 = 23 ⋅7944887.

It can be written as a sum of positive squares in 2 ways, for example, as 87590881 + 16646400 = 9359^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 104237281 - 2¹ = 104237279 is a prime.

It is a super-2 number, since 2×104237281² = 21730821500545922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104237291) 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, 1797166 + ... + 1797223.

It is an arithmetic number, because the mean of its divisors is an integer number (26957925).

Almost surely, 2^104237281 is an apocalyptic number.

It is an amenable number.

104237281 is a deficient number, since it is larger than the sum of its proper divisors (3594419).

104237281 is an equidigital number, since it uses as much as digits as its factorization.

104237281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594418.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 104237281 is about 10209.6660572224. Note that the first 3 decimals coincide. The cubic root of 104237281 is about 470.6243114356.

Adding to 104237281 its reverse (182732401), we get a palindrome (286969682).

The spelling of 104237281 in words is "one hundred four million, two hundred thirty-seven thousand, two hundred eighty-one".