1280606971 has 8 divisors (see below), whose sum is σ = 1470981600. Its totient is φ = 1092090048.

The previous prime is 1280606959. The next prime is 1280606981. The reversal of 1280606971 is 1796060821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1280606971 - 2²¹ = 1278509819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1280606981) 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, 462946 + ... + 465703.

It is an arithmetic number, because the mean of its divisors is an integer number (183872700).

Almost surely, 2^1280606971 is an apocalyptic number.

1280606971 is a deficient number, since it is larger than the sum of its proper divisors (190374629).

1280606971 is an equidigital number, since it uses as much as digits as its factorization.

1280606971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928853.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1280606971 is about 35785.5693122242. The cubic root of 1280606971 is about 1085.9386416817.

The spelling of 1280606971 in words is "one billion, two hundred eighty million, six hundred six thousand, nine hundred seventy-one".