1272134049 has 8 divisors (see below), whose sum is σ = 1715237280. Its totient is φ = 838560096.

The previous prime is 1272134027. The next prime is 1272134053. The reversal of 1272134049 is 9404312721.

1272134049 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1272134049 - 2⁷ = 1272133921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1272184049) 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, 2382007 + ... + 2382540.

It is an arithmetic number, because the mean of its divisors is an integer number (214404660).

Almost surely, 2^1272134049 is an apocalyptic number.

It is an amenable number.

1272134049 is a deficient number, since it is larger than the sum of its proper divisors (443103231).

1272134049 is an equidigital number, since it uses as much as digits as its factorization.

1272134049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764639.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1272134049 is about 35666.9882244072. The cubic root of 1272134049 is about 1083.5383630139.

The spelling of 1272134049 in words is "one billion, two hundred seventy-two million, one hundred thirty-four thousand, forty-nine".