1127948078417 has 2 divisors, whose sum is σ = 1127948078418. Its totient is φ = 1127948078416.

The previous prime is 1127948078393. The next prime is 1127948078429. The reversal of 1127948078417 is 7148708497211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127948078401 + 16 = 1062049^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127948078417 - 2¹⁰ = 1127948077393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1127948075417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563974039208 + 563974039209.

It is an arithmetic number, because the mean of its divisors is an integer number (563974039209).

Almost surely, 2^{1127948078417} is an apocalyptic number.

It is an amenable number.

1127948078417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127948078417 is an equidigital number, since it uses as much as digits as its factorization.

1127948078417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 59.

The spelling of 1127948078417 in words is "one trillion, one hundred twenty-seven billion, nine hundred forty-eight million, seventy-eight thousand, four hundred seventeen".