1341243505 has 32 divisors (see below), whose sum is σ = 1922494464. Its totient is φ = 878302656.

The previous prime is 1341243503. The next prime is 1341243511. The reversal of 1341243505 is 5053421431.

It is not a de Polignac number, because 1341243505 - 2¹ = 1341243503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341243503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777574 + ... + 779296.

It is an arithmetic number, because the mean of its divisors is an integer number (60077952).

Almost surely, 2^1341243505 is an apocalyptic number.

It is an amenable number.

1341243505 is a deficient number, since it is larger than the sum of its proper divisors (581250959).

1341243505 is a wasteful number, since it uses less digits than its factorization.

1341243505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1341243505 is about 36622.9914807625. The cubic root of 1341243505 is about 1102.8146937870.

Adding to 1341243505 its reverse (5053421431), we get a palindrome (6394664936).

The spelling of 1341243505 in words is "one billion, three hundred forty-one million, two hundred forty-three thousand, five hundred five".