1282163873 has 8 divisors (see below), whose sum is σ = 1289628192. Its totient is φ = 1274715936.

The previous prime is 1282163843. The next prime is 1282163881. The reversal of 1282163873 is 3783612821.

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 1282163873 - 2¹⁸ = 1281901729 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 1282163873.

It is not an unprimeable number, because it can be changed into a prime (1282163803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175061 + ... + 182237.

It is an arithmetic number, because the mean of its divisors is an integer number (161203524).

Almost surely, 2^1282163873 is an apocalyptic number.

It is an amenable number.

1282163873 is a deficient number, since it is larger than the sum of its proper divisors (7464319).

1282163873 is an equidigital number, since it uses as much as digits as its factorization.

1282163873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

The product of its digits is 96768, while the sum is 41.

The square root of 1282163873 is about 35807.3159144888. The cubic root of 1282163873 is about 1086.3785412464.

The spelling of 1282163873 in words is "one billion, two hundred eighty-two million, one hundred sixty-three thousand, eight hundred seventy-three".