1320050113 has 4 divisors (see below), whose sum is σ = 1323854640. Its totient is φ = 1316245588.

The previous prime is 1320050089. The next prime is 1320050117. The reversal of 1320050113 is 3110500231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3110500231 = 571 ⋅5447461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320050113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320050117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901743 + ... + 1902436.

It is an arithmetic number, because the mean of its divisors is an integer number (330963660).

Almost surely, 2^1320050113 is an apocalyptic number.

It is an amenable number.

1320050113 is a deficient number, since it is larger than the sum of its proper divisors (3804527).

1320050113 is an equidigital number, since it uses as much as digits as its factorization.

1320050113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804526.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1320050113 is about 36332.4939000889. The cubic root of 1320050113 is about 1096.9751921346.

Adding to 1320050113 its reverse (3110500231), we get a palindrome (4430550344).

The spelling of 1320050113 in words is "one billion, three hundred twenty million, fifty thousand, one hundred thirteen".