1344121511 has 2 divisors, whose sum is σ = 1344121512. Its totient is φ = 1344121510.

The previous prime is 1344121483. The next prime is 1344121549. The reversal of 1344121511 is 1151214431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344121511 - 2²² = 1339927207 is a prime.

It is a super-3 number, since 3×1344121511³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344121411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672060755 + 672060756.

It is an arithmetic number, because the mean of its divisors is an integer number (672060756).

Almost surely, 2^1344121511 is an apocalyptic number.

1344121511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344121511 is an equidigital number, since it uses as much as digits as its factorization.

1344121511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 1344121511 is about 36662.2627643194. The cubic root of 1344121511 is about 1103.6029274506.

Adding to 1344121511 its reverse (1151214431), we get a palindrome (2495335942).

The spelling of 1344121511 in words is "one billion, three hundred forty-four million, one hundred twenty-one thousand, five hundred eleven".