1320444041 has 4 divisors (see below), whose sum is σ = 1509078912. Its totient is φ = 1131809172.

The previous prime is 1320444031. The next prime is 1320444089. The reversal of 1320444041 is 1404440231.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1320444041 - 2¹⁰ = 1320443017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320443998 and 1320444016.

It is not an unprimeable number, because it can be changed into a prime (1320444001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94317425 + ... + 94317438.

It is an arithmetic number, because the mean of its divisors is an integer number (377269728).

Almost surely, 2^1320444041 is an apocalyptic number.

It is an amenable number.

1320444041 is a deficient number, since it is larger than the sum of its proper divisors (188634871).

1320444041 is an equidigital number, since it uses as much as digits as its factorization.

1320444041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188634870.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1320444041 is about 36337.9146484770. The cubic root of 1320444041 is about 1097.0843006857.

Adding to 1320444041 its reverse (1404440231), we get a palindrome (2724884272).

The spelling of 1320444041 in words is "one billion, three hundred twenty million, four hundred forty-four thousand, forty-one".