1323118275 has 12 divisors (see below), whose sum is σ = 2187555672. Its totient is φ = 705663040.

The previous prime is 1323118273. The next prime is 1323118283. The reversal of 1323118275 is 5728113231.

It is a happy number.

It is not a de Polignac number, because 1323118275 - 2¹ = 1323118273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323118271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8820714 + ... + 8820863.

It is an arithmetic number, because the mean of its divisors is an integer number (182296306).

Almost surely, 2^1323118275 is an apocalyptic number.

1323118275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323118275 is a deficient number, since it is larger than the sum of its proper divisors (864437397).

1323118275 is a wasteful number, since it uses less digits than its factorization.

1323118275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17641590 (or 17641585 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 1323118275 is about 36374.6927822078. The cubic root of 1323118275 is about 1097.8244258932.

The spelling of 1323118275 in words is "one billion, three hundred twenty-three million, one hundred eighteen thousand, two hundred seventy-five".