1103667 has 4 divisors (see below), whose sum is σ = 1471560. Its totient is φ = 735776.

The previous prime is 1103639. The next prime is 1103699. The reversal of 1103667 is 7663011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7663011 = 3 ⋅2554337.

It is a cyclic number.

It is not a de Polignac number, because 1103667 - 2⁶ = 1103603 is a prime.

It is a D-number.

1103667 is a lucky number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1103617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183942 + ... + 183947.

It is an arithmetic number, because the mean of its divisors is an integer number (367890).

2^1103667 is an apocalyptic number.

1103667 is a deficient number, since it is larger than the sum of its proper divisors (367893).

1103667 is an equidigital number, since it uses as much as digits as its factorization.

1103667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367892.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1103667 is about 1050.5555673071. Note that the first 4 decimals coincide. The cubic root of 1103667 is about 103.3425925337.

Adding to 1103667 its reverse (7663011), we get a palindrome (8766678).

It can be divided in two parts, 1103 and 667, that added together give a triangular number (1770 = T₅₉).

The spelling of 1103667 in words is "one million, one hundred three thousand, six hundred sixty-seven".