1104681 has 4 divisors (see below), whose sum is σ = 1472912. Its totient is φ = 736452.

The previous prime is 1104671. The next prime is 1104683. The reversal of 1104681 is 1864011.

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: 1864011 = 3 ⋅621337.

It is not a de Polignac number, because 1104681 - 2¹³ = 1096489 is a prime.

It is a super-2 number, since 2×1104681² = 2440640223522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104683) 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, 184111 + ... + 184116.

It is an arithmetic number, because the mean of its divisors is an integer number (368228).

2^1104681 is an apocalyptic number.

It is an amenable number.

1104681 is a deficient number, since it is larger than the sum of its proper divisors (368231).

1104681 is an equidigital number, since it uses as much as digits as its factorization.

1104681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368230.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1104681 is about 1051.0380583024. The cubic root of 1104681 is about 103.3742317006.

Adding to 1104681 its reverse (1864011), we get a palindrome (2968692).

The spelling of 1104681 in words is "one million, one hundred four thousand, six hundred eighty-one".