1381270411 has 2 divisors, whose sum is σ = 1381270412. Its totient is φ = 1381270410.

The previous prime is 1381270409. The next prime is 1381270439. The reversal of 1381270411 is 1140721831.

It is an a-pointer prime, because the next prime (1381270439) can be obtained adding 1381270411 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (1140721831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1381270411 - 2¹ = 1381270409 is a prime.

Together with 1381270409, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1381270411.

It is not a weakly prime, because it can be changed into another prime (1381220411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690635205 + 690635206.

It is an arithmetic number, because the mean of its divisors is an integer number (690635206).

Almost surely, 2^1381270411 is an apocalyptic number.

1381270411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381270411 is an equidigital number, since it uses as much as digits as its factorization.

1381270411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1381270411 is about 37165.4464657698. The cubic root of 1381270411 is about 1113.6778179596.

The spelling of 1381270411 in words is "one billion, three hundred eighty-one million, two hundred seventy thousand, four hundred eleven".