1255260068 has 12 divisors (see below), whose sum is σ = 2205821772. Its totient is φ = 625025280.

The previous prime is 1255260047. The next prime is 1255260133. The reversal of 1255260068 is 8600625521.

It can be written as a sum of positive squares in 2 ways, for example, as 1162946404 + 92313664 = 34102^2 + 9608^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650105 + ... + 652032.

It is an arithmetic number, because the mean of its divisors is an integer number (183818481).

Almost surely, 2^1255260068 is an apocalyptic number.

It is an amenable number.

1255260068 is a deficient number, since it is larger than the sum of its proper divisors (950561704).

1255260068 is a wasteful number, since it uses less digits than its factorization.

1255260068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302382 (or 1302380 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1255260068 is about 35429.6495607845. The cubic root of 1255260068 is about 1078.7262269014.

Adding to 1255260068 its reverse (8600625521), we get a palindrome (9855885589).

The spelling of 1255260068 in words is "one billion, two hundred fifty-five million, two hundred sixty thousand, sixty-eight".