1286450255 has 8 divisors (see below), whose sum is σ = 1548115632. Its totient is φ = 1026243328.

The previous prime is 1286450227. The next prime is 1286450257. The reversal of 1286450255 is 5520546821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1286450255 - 2¹² = 1286446159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286450257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 362669 + ... + 366198.

It is an arithmetic number, because the mean of its divisors is an integer number (193514454).

Almost surely, 2^1286450255 is an apocalyptic number.

1286450255 is a deficient number, since it is larger than the sum of its proper divisors (261665377).

1286450255 is an equidigital number, since it uses as much as digits as its factorization.

1286450255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729225.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 1286450255 is about 35867.1194131896. The cubic root of 1286450255 is about 1087.5878130527.

The spelling of 1286450255 in words is "one billion, two hundred eighty-six million, four hundred fifty thousand, two hundred fifty-five".