1304044111 has 4 divisors (see below), whose sum is σ = 1304651952. Its totient is φ = 1303436272.

The previous prime is 1304044097. The next prime is 1304044117. The reversal of 1304044111 is 1114404031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304044111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304044117) 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, 300691 + ... + 304996.

It is an arithmetic number, because the mean of its divisors is an integer number (326162988).

Almost surely, 2^1304044111 is an apocalyptic number.

1304044111 is a deficient number, since it is larger than the sum of its proper divisors (607841).

1304044111 is an equidigital number, since it uses as much as digits as its factorization.

1304044111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607840.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1304044111 is about 36111.5509359540. The cubic root of 1304044111 is about 1092.5234330739.

Adding to 1304044111 its reverse (1114404031), we get a palindrome (2418448142).

The spelling of 1304044111 in words is "one billion, three hundred four million, forty-four thousand, one hundred eleven".