1272878174371 has 8 divisors (see below), whose sum is σ = 1304978137344. Its totient is φ = 1240828409280.

The previous prime is 1272878174353. The next prime is 1272878174417. The reversal of 1272878174371 is 1734718782721.

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 1272878174371 - 2²¹ = 1272876077219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272878171371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12498115 + ... + 12599548.

It is an arithmetic number, because the mean of its divisors is an integer number (163122267168).

Almost surely, 2^{1272878174371} is an apocalyptic number.

1272878174371 is a deficient number, since it is larger than the sum of its proper divisors (32099962973).

1272878174371 is a wasteful number, since it uses less digits than its factorization.

1272878174371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25098941.

The product of its digits is 7375872, while the sum is 58.

The spelling of 1272878174371 in words is "one trillion, two hundred seventy-two billion, eight hundred seventy-eight million, one hundred seventy-four thousand, three hundred seventy-one".