1303120355 has 8 divisors (see below), whose sum is σ = 1597015872. Its totient is φ = 1020315328.

The previous prime is 1303120337. The next prime is 1303120393. The reversal of 1303120355 is 5530213031.

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 1303120355 - 2¹⁸ = 1302858211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303120355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772362 + ... + 2772831.

It is an arithmetic number, because the mean of its divisors is an integer number (199626984).

Almost surely, 2^1303120355 is an apocalyptic number.

1303120355 is a deficient number, since it is larger than the sum of its proper divisors (293895517).

1303120355 is an equidigital number, since it uses as much as digits as its factorization.

1303120355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545245.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1303120355 is about 36098.7583581486. The cubic root of 1303120355 is about 1092.2653989920.

Adding to 1303120355 its reverse (5530213031), we get a palindrome (6833333386).

The spelling of 1303120355 in words is "one billion, three hundred three million, one hundred twenty thousand, three hundred fifty-five".