1381456127 has 2 divisors, whose sum is σ = 1381456128. Its totient is φ = 1381456126.

The previous prime is 1381456003. The next prime is 1381456129. The reversal of 1381456127 is 7216541831.

It is a strong prime.

It is an emirp because it is prime and its reverse (7216541831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1381456127 - 2¹² = 1381452031 is a prime.

Together with 1381456129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381456129) 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 as a sum of consecutive naturals, namely, 690728063 + 690728064.

It is an arithmetic number, because the mean of its divisors is an integer number (690728064).

Almost surely, 2^1381456127 is an apocalyptic number.

1381456127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381456127 is an equidigital number, since it uses as much as digits as its factorization.

1381456127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1381456127 is about 37167.9448853444. The cubic root of 1381456127 is about 1113.7277281773.

Adding to 1381456127 its reverse (7216541831), we get a palindrome (8597997958).

The spelling of 1381456127 in words is "one billion, three hundred eighty-one million, four hundred fifty-six thousand, one hundred twenty-seven".