1272716154328 has 16 divisors (see below), whose sum is σ = 2386385515080. Its totient is φ = 636346683648.

The previous prime is 1272716154323. The next prime is 1272716154331. The reversal of 1272716154328 is 8234516172721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272716154323) 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, 939750 + ... + 1851637.

Almost surely, 2^{1272716154328} is an apocalyptic number.

It is an amenable number.

1272716154328 is a deficient number, since it is larger than the sum of its proper divisors (1113669360752).

1272716154328 is a wasteful number, since it uses less digits than its factorization.

1272716154328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848386 (or 2848382 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The spelling of 1272716154328 in words is "one trillion, two hundred seventy-two billion, seven hundred sixteen million, one hundred fifty-four thousand, three hundred twenty-eight".