1271082679 has 8 divisors (see below), whose sum is σ = 1277434368. Its totient is φ = 1264742400.

The previous prime is 1271082619. The next prime is 1271082713. The reversal of 1271082679 is 9762801721.

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 1271082679 - 2⁷ = 1271082551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271082619) 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, 293659 + ... + 297955.

It is an arithmetic number, because the mean of its divisors is an integer number (159679296).

Almost surely, 2^1271082679 is an apocalyptic number.

1271082679 is a deficient number, since it is larger than the sum of its proper divisors (6351689).

1271082679 is a wasteful number, since it uses less digits than its factorization.

1271082679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1271082679 is about 35652.2464790089. The cubic root of 1271082679 is about 1083.2397797766.

The spelling of 1271082679 in words is "one billion, two hundred seventy-one million, eighty-two thousand, six hundred seventy-nine".