1320123103 has 8 divisors (see below), whose sum is σ = 1422344448. Its totient is φ = 1217997984.

The previous prime is 1320123071. The next prime is 1320123109. The reversal of 1320123103 is 3013210231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320123103 - 2⁵ = 1320123071 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 (1320123109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5826 + ... + 51712.

It is an arithmetic number, because the mean of its divisors is an integer number (177793056).

Almost surely, 2^1320123103 is an apocalyptic number.

1320123103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320123103 is a deficient number, since it is larger than the sum of its proper divisors (102221345).

1320123103 is a wasteful number, since it uses less digits than its factorization.

1320123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48113.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1320123103 is about 36333.4983589524. The cubic root of 1320123103 is about 1096.9954102417.

Adding to 1320123103 its reverse (3013210231), we get a palindrome (4333333334).

The spelling of 1320123103 in words is "one billion, three hundred twenty million, one hundred twenty-three thousand, one hundred three".