1125343318 has 48 divisors (see below), whose sum is σ = 1966718880. Its totient is φ = 481712000.

The previous prime is 1125343291. The next prime is 1125343319. The reversal of 1125343318 is 8133435211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125343318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125343319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285783 + ... + 289693.

It is an arithmetic number, because the mean of its divisors is an integer number (40973310).

Almost surely, 2^1125343318 is an apocalyptic number.

1125343318 is a deficient number, since it is larger than the sum of its proper divisors (841375562).

1125343318 is a wasteful number, since it uses less digits than its factorization.

1125343318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 3994 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1125343318 is about 33546.1371546710. The cubic root of 1125343318 is about 1040.1476978350.

Adding to 1125343318 its reverse (8133435211), we get a palindrome (9258778529).

It can be divided in two parts, 1125 and 343318, that added together give a palindrome (344443).

The spelling of 1125343318 in words is "one billion, one hundred twenty-five million, three hundred forty-three thousand, three hundred eighteen".