1341126121 has 2 divisors, whose sum is σ = 1341126122. Its totient is φ = 1341126120.

The previous prime is 1341126119. The next prime is 1341126167. The reversal of 1341126121 is 1216211431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993825625 + 347300496 = 31525^2 + 18636^2 .

It is an emirp because it is prime and its reverse (1216211431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1341126121 - 2¹ = 1341126119 is a prime.

Together with 1341126119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1341126092 and 1341126101.

It is not a weakly prime, because it can be changed into another prime (1341126421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670563060 + 670563061.

It is an arithmetic number, because the mean of its divisors is an integer number (670563061).

Almost surely, 2^1341126121 is an apocalyptic number.

It is an amenable number.

1341126121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341126121 is an equidigital number, since it uses as much as digits as its factorization.

1341126121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 1341126121 is about 36621.3888458644. The cubic root of 1341126121 is about 1102.7825205149.

Adding to 1341126121 its reverse (1216211431), we get a palindrome (2557337552).

The spelling of 1341126121 in words is "one billion, three hundred forty-one million, one hundred twenty-six thousand, one hundred twenty-one".