1103668 has 6 divisors (see below), whose sum is σ = 1931426. Its totient is φ = 551832.

The previous prime is 1103639. The next prime is 1103699. The reversal of 1103668 is 8663011.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 79524 = 1012^2 + 282^2 .

It is an Ulam number.

It is a plaindrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137955 + ... + 137962.

2^1103668 is an apocalyptic number.

It is an amenable number.

1103668 is a deficient number, since it is larger than the sum of its proper divisors (827758).

1103668 is a wasteful number, since it uses less digits than its factorization.

1103668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275921 (or 275919 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1103668 is about 1050.5560432457. The cubic root of 1103668 is about 103.3426237456.

Adding to 1103668 its reverse (8663011), we get a palindrome (9766679).

It can be divided in two parts, 1103 and 668, that added together give a palindrome (1771).

The spelling of 1103668 in words is "one million, one hundred three thousand, six hundred sixty-eight".