1340122097 has 2 divisors, whose sum is σ = 1340122098. Its totient is φ = 1340122096.

The previous prime is 1340122093. The next prime is 1340122111. The reversal of 1340122097 is 7902210431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157088256 + 183033841 = 34016^2 + 13529^2 .

It is an emirp because it is prime and its reverse (7902210431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340122097 - 2² = 1340122093 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340122093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670061048 + 670061049.

It is an arithmetic number, because the mean of its divisors is an integer number (670061049).

Almost surely, 2^1340122097 is an apocalyptic number.

It is an amenable number.

1340122097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340122097 is an equidigital number, since it uses as much as digits as its factorization.

1340122097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1340122097 is about 36607.6781153899. The cubic root of 1340122097 is about 1102.5072551940.

The spelling of 1340122097 in words is "one billion, three hundred forty million, one hundred twenty-two thousand, ninety-seven".