1286135101 has 8 divisors (see below), whose sum is σ = 1299270464. Its totient is φ = 1273060800.

The previous prime is 1286135093. The next prime is 1286135107. The reversal of 1286135101 is 1015316821.

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 1286135101 - 2³ = 1286135093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1286135101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286135107) 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, 27685 + ... + 57781.

It is an arithmetic number, because the mean of its divisors is an integer number (162408808).

Almost surely, 2^1286135101 is an apocalyptic number.

It is an amenable number.

1286135101 is a deficient number, since it is larger than the sum of its proper divisors (13135363).

1286135101 is a wasteful number, since it uses less digits than its factorization.

1286135101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30531.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1286135101 is about 35862.7257887629. The cubic root of 1286135101 is about 1087.4989935429.

The spelling of 1286135101 in words is "one billion, two hundred eighty-six million, one hundred thirty-five thousand, one hundred one".