1279134607 has 4 divisors (see below), whose sum is σ = 1279251360. Its totient is φ = 1279017856.

The previous prime is 1279134601. The next prime is 1279134629. The reversal of 1279134607 is 7064319721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7064319721 = 41 ⋅172300481.

It is a cyclic number.

It is not a de Polignac number, because 1279134607 - 2²⁷ = 1144916879 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 1279134607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279134601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40018 + ... + 64495.

It is an arithmetic number, because the mean of its divisors is an integer number (319812840).

Almost surely, 2^1279134607 is an apocalyptic number.

1279134607 is a deficient number, since it is larger than the sum of its proper divisors (116753).

1279134607 is a wasteful number, since it uses less digits than its factorization.

1279134607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116752.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 1279134607 is about 35764.9913602674. The cubic root of 1279134607 is about 1085.5223000141.

The spelling of 1279134607 in words is "one billion, two hundred seventy-nine million, one hundred thirty-four thousand, six hundred seven".