1282648971 has 8 divisors (see below), whose sum is σ = 1710374400. Its totient is φ = 855011432.

The previous prime is 1282648957. The next prime is 1282648973. The reversal of 1282648971 is 1798462821.

It is a happy number.

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 1282648971 - 2²¹ = 1280551819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1282648971.

It is not an unprimeable number, because it can be changed into a prime (1282648973) 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, 28930 + ... + 58328.

It is an arithmetic number, because the mean of its divisors is an integer number (213796800).

Almost surely, 2^1282648971 is an apocalyptic number.

1282648971 is a deficient number, since it is larger than the sum of its proper divisors (427725429).

1282648971 is a wasteful number, since it uses less digits than its factorization.

1282648971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43945.

The product of its digits is 387072, while the sum is 48.

The square root of 1282648971 is about 35814.0890013972. The cubic root of 1282648971 is about 1086.5155319542.

The spelling of 1282648971 in words is "one billion, two hundred eighty-two million, six hundred forty-eight thousand, nine hundred seventy-one".