1282267256 has 16 divisors (see below), whose sum is σ = 2415648840. Its totient is φ = 638094240.

The previous prime is 1282267253. The next prime is 1282267271. The reversal of 1282267256 is 6527622821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282267253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378131 + ... + 381506.

Almost surely, 2^1282267256 is an apocalyptic number.

It is an amenable number.

1282267256 is a deficient number, since it is larger than the sum of its proper divisors (1133381584).

1282267256 is a wasteful number, since it uses less digits than its factorization.

1282267256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759854 (or 759850 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 1282267256 is about 35808.7594870305. The cubic root of 1282267256 is about 1086.4077392963.

The spelling of 1282267256 in words is "one billion, two hundred eighty-two million, two hundred sixty-seven thousand, two hundred fifty-six".