1269853255 has 12 divisors (see below), whose sum is σ = 1674947736. Its totient is φ = 923529200.

The previous prime is 1269853237. The next prime is 1269853259. The reversal of 1269853255 is 5523589621.

It is not a de Polignac number, because 1269853255 - 2¹¹ = 1269851207 is a prime.

It is a super-2 number, since 2×1269853255² = 3225054578468190050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269853259) 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, 1048861 + ... + 1050070.

It is an arithmetic number, because the mean of its divisors is an integer number (139578978).

Almost surely, 2^1269853255 is an apocalyptic number.

1269853255 is a deficient number, since it is larger than the sum of its proper divisors (405094481).

1269853255 is a wasteful number, since it uses less digits than its factorization.

1269853255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098958 (or 2098947 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 1269853255 is about 35635.0004209345. Note that the first 3 decimals coincide. The cubic root of 1269853255 is about 1082.8904212842.

The spelling of 1269853255 in words is "one billion, two hundred sixty-nine million, eight hundred fifty-three thousand, two hundred fifty-five".