1344512505 has 32 divisors (see below), whose sum is σ = 2482898688. Its totient is φ = 608544000.

The previous prime is 1344512489. The next prime is 1344512527. The reversal of 1344512505 is 5052154431.

It is not a de Polignac number, because 1344512505 - 2⁴ = 1344512489 is a prime.

It is a super-2 number, since 2×1344512505² = 3615427752202750050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52786 + ... + 73995.

It is an arithmetic number, because the mean of its divisors is an integer number (77590584).

Almost surely, 2^1344512505 is an apocalyptic number.

1344512505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344512505 is a deficient number, since it is larger than the sum of its proper divisors (1138386183).

1344512505 is a wasteful number, since it uses less digits than its factorization.

1344512505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126897.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1344512505 is about 36667.5947534059. The cubic root of 1344512505 is about 1103.7099267772.

Adding to 1344512505 its reverse (5052154431), we get a palindrome (6396666936).

The spelling of 1344512505 in words is "one billion, three hundred forty-four million, five hundred twelve thousand, five hundred five".