1342041121 has 2 divisors, whose sum is σ = 1342041122. Its totient is φ = 1342041120.

The previous prime is 1342041109. The next prime is 1342041139. The reversal of 1342041121 is 1211402431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1255922721 + 86118400 = 35439^2 + 9280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342041121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342041161) 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, 671020560 + 671020561.

It is an arithmetic number, because the mean of its divisors is an integer number (671020561).

Almost surely, 2^1342041121 is an apocalyptic number.

It is an amenable number.

1342041121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342041121 is an equidigital number, since it uses as much as digits as its factorization.

1342041121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1342041121 is about 36633.8794150988. The cubic root of 1342041121 is about 1103.0332592037.

Adding to 1342041121 its reverse (1211402431), we get a palindrome (2553443552).

The spelling of 1342041121 in words is "one billion, three hundred forty-two million, forty-one thousand, one hundred twenty-one".