1272440627377 has 8 divisors (see below), whose sum is σ = 1316610086400. Its totient is φ = 1228290648144.

The previous prime is 1272440627347. The next prime is 1272440627383. The reversal of 1272440627377 is 7737260442721.

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

It is not a de Polignac number, because 1272440627377 - 2¹¹ = 1272440625329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272440627317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4736977 + ... + 4998382.

It is an arithmetic number, because the mean of its divisors is an integer number (164576260800).

Almost surely, 2^{1272440627377} is an apocalyptic number.

It is an amenable number.

1272440627377 is a deficient number, since it is larger than the sum of its proper divisors (44169459023).

1272440627377 is an equidigital number, since it uses as much as digits as its factorization.

1272440627377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739895.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 1272440627377 in words is "one trillion, two hundred seventy-two billion, four hundred forty million, six hundred twenty-seven thousand, three hundred seventy-seven".