1341112909 has 2 divisors, whose sum is σ = 1341112910. Its totient is φ = 1341112908.

The previous prime is 1341112907. The next prime is 1341112931. The reversal of 1341112909 is 9092111431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819218884 + 521894025 = 28622^2 + 22845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341112909 - 2¹ = 1341112907 is a prime.

Together with 1341112907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341112907) 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, 670556454 + 670556455.

It is an arithmetic number, because the mean of its divisors is an integer number (670556455).

Almost surely, 2^1341112909 is an apocalyptic number.

It is an amenable number.

1341112909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341112909 is an equidigital number, since it uses as much as digits as its factorization.

1341112909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1341112909 is about 36621.2084590337. The cubic root of 1341112909 is about 1102.7788991775.

The spelling of 1341112909 in words is "one billion, three hundred forty-one million, one hundred twelve thousand, nine hundred nine".