1104381 has 8 divisors (see below), whose sum is σ = 1636160. Its totient is φ = 736236.

The previous prime is 1104379. The next prime is 1104403. The reversal of 1104381 is 1834011.

It is not a de Polignac number, because 1104381 - 2¹ = 1104379 is a prime.

It is a super-2 number, since 2×1104381² = 2439314786322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1104381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20425 + ... + 20478.

It is an arithmetic number, because the mean of its divisors is an integer number (204520).

2^1104381 is an apocalyptic number.

It is an amenable number.

1104381 is a deficient number, since it is larger than the sum of its proper divisors (531779).

1104381 is an equidigital number, since it uses as much as digits as its factorization.

1104381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40912 (or 40906 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1104381 is about 1050.8953325617. The cubic root of 1104381 is about 103.3648730178.

Adding to 1104381 its reverse (1834011), we get a palindrome (2938392).

It can be divided in two parts, 1104 and 381, that added together give a triangular number (1485 = T₅₄).

The spelling of 1104381 in words is "one million, one hundred four thousand, three hundred eighty-one".