1320112103 has 4 divisors (see below), whose sum is σ = 1365633240. Its totient is φ = 1274590968.

The previous prime is 1320112099. The next prime is 1320112139. The reversal of 1320112103 is 3012110231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3012110231 = 13 ⋅231700787.

It is a cyclic number.

It is not a de Polignac number, because 1320112103 - 2² = 1320112099 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 (1320112193) 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, 22760525 + ... + 22760582.

It is an arithmetic number, because the mean of its divisors is an integer number (341408310).

Almost surely, 2^1320112103 is an apocalyptic number.

1320112103 is a deficient number, since it is larger than the sum of its proper divisors (45521137).

1320112103 is an equidigital number, since it uses as much as digits as its factorization.

1320112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45521136.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320112103 is about 36333.3469831779. The cubic root of 1320112103 is about 1096.9923633079.

Adding to 1320112103 its reverse (3012110231), we get a palindrome (4332222334).

The spelling of 1320112103 in words is "one billion, three hundred twenty million, one hundred twelve thousand, one hundred three".