1311104 has 16 divisors (see below), whose sum is σ = 2612220. Its totient is φ = 655488.

The previous prime is 1311103. The next prime is 1311109. The reversal of 1311104 is 4011131.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994 + ... + 5249.

2^1311104 is an apocalyptic number.

It is an amenable number.

1311104 is a deficient number, since it is larger than the sum of its proper divisors (1301116).

1311104 is an equidigital number, since it uses as much as digits as its factorization.

1311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257 (or 10245 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1311104 is about 1145.0344972969. The cubic root of 1311104 is about 109.4491468935.

Adding to 1311104 its reverse (4011131), we get a palindrome (5322235).

The spelling of 1311104 in words is "one million, three hundred eleven thousand, one hundred four".