1342012121 has 2 divisors, whose sum is σ = 1342012122. Its totient is φ = 1342012120.

The previous prime is 1342012039. The next prime is 1342012141. The reversal of 1342012121 is 1212102431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713958400 + 628053721 = 26720^2 + 25061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342012121 - 2¹⁴ = 1341995737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342012121.

It is not a weakly prime, because it can be changed into another prime (1342012141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671006060 + 671006061.

It is an arithmetic number, because the mean of its divisors is an integer number (671006061).

Almost surely, 2^1342012121 is an apocalyptic number.

It is an amenable number.

1342012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342012121 is an equidigital number, since it uses as much as digits as its factorization.

1342012121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1342012121 is about 36633.4836044840. The cubic root of 1342012121 is about 1103.0253140435.

Adding to 1342012121 its reverse (1212102431), we get a palindrome (2554114552).

The spelling of 1342012121 in words is "one billion, three hundred forty-two million, twelve thousand, one hundred twenty-one".