1344891127 has 2 divisors, whose sum is σ = 1344891128. Its totient is φ = 1344891126.

The previous prime is 1344891089. The next prime is 1344891137. The reversal of 1344891127 is 7211984431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344891127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1344891127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344891137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672445563 + 672445564.

It is an arithmetic number, because the mean of its divisors is an integer number (672445564).

Almost surely, 2^1344891127 is an apocalyptic number.

1344891127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344891127 is an equidigital number, since it uses as much as digits as its factorization.

1344891127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 1344891127 is about 36672.7572865745. The cubic root of 1344891127 is about 1103.8135206170.

The spelling of 1344891127 in words is "one billion, three hundred forty-four million, eight hundred ninety-one thousand, one hundred twenty-seven".