1342205197 has 2 divisors, whose sum is σ = 1342205198. Its totient is φ = 1342205196.

The previous prime is 1342205159. The next prime is 1342205213. The reversal of 1342205197 is 7915022431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1341463876 + 741321 = 36626^2 + 861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342205197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342205297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671102598 + 671102599.

It is an arithmetic number, because the mean of its divisors is an integer number (671102599).

Almost surely, 2^1342205197 is an apocalyptic number.

It is an amenable number.

1342205197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342205197 is an equidigital number, since it uses as much as digits as its factorization.

1342205197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1342205197 is about 36636.1187491252. The cubic root of 1342205197 is about 1103.0782091205.

The spelling of 1342205197 in words is "one billion, three hundred forty-two million, two hundred five thousand, one hundred ninety-seven".