1282165863 has 16 divisors (see below), whose sum is σ = 1865770752. Its totient is φ = 776736000.

The previous prime is 1282165861. The next prime is 1282165867. The reversal of 1282165863 is 3685612821.

It is not a de Polignac number, because 1282165863 - 2¹ = 1282165861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282165861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85143 + ... + 99063.

It is an arithmetic number, because the mean of its divisors is an integer number (116610672).

Almost surely, 2^1282165863 is an apocalyptic number.

1282165863 is a deficient number, since it is larger than the sum of its proper divisors (583604889).

1282165863 is a wasteful number, since it uses less digits than its factorization.

1282165863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16726.

The product of its digits is 138240, while the sum is 42.

The square root of 1282165863 is about 35807.3437020955. The cubic root of 1282165863 is about 1086.3791032890.

The spelling of 1282165863 in words is "one billion, two hundred eighty-two million, one hundred sixty-five thousand, eight hundred sixty-three".