1342220377 has 2 divisors, whose sum is σ = 1342220378. Its totient is φ = 1342220376.

The previous prime is 1342220333. The next prime is 1342220419. The reversal of 1342220377 is 7730222431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1245807616 + 96412761 = 35296^2 + 9819^2 .

It is an emirp because it is prime and its reverse (7730222431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342220377 - 2¹¹ = 1342218329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342220317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671110188 + 671110189.

It is an arithmetic number, because the mean of its divisors is an integer number (671110189).

Almost surely, 2^1342220377 is an apocalyptic number.

It is an amenable number.

1342220377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342220377 is an equidigital number, since it uses as much as digits as its factorization.

1342220377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 1342220377 is about 36636.3259211401. The cubic root of 1342220377 is about 1103.0823676163.

The spelling of 1342220377 in words is "one billion, three hundred forty-two million, two hundred twenty thousand, three hundred seventy-seven".