1286147055 has 16 divisors (see below), whose sum is σ = 2060864640. Its totient is φ = 684935328.

The previous prime is 1286147021. The next prime is 1286147063. The reversal of 1286147055 is 5507416821.

It is not a de Polignac number, because 1286147055 - 2¹⁵ = 1286114287 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 52525 + ... + 73014.

It is an arithmetic number, because the mean of its divisors is an integer number (128804040).

Almost surely, 2^1286147055 is an apocalyptic number.

1286147055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1286147055 is a deficient number, since it is larger than the sum of its proper divisors (774717585).

1286147055 is a wasteful number, since it uses less digits than its factorization.

1286147055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126230.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1286147055 is about 35862.8924516693. The cubic root of 1286147055 is about 1087.5023627905.

The spelling of 1286147055 in words is "one billion, two hundred eighty-six million, one hundred forty-seven thousand, fifty-five".