196442107 has 2 divisors, whose sum is σ = 196442108. Its totient is φ = 196442106.

The previous prime is 196442087. The next prime is 196442117. The reversal of 196442107 is 701244691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196442107 is a prime.

It is not a weakly prime, because it can be changed into another prime (196442117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98221053 + 98221054.

It is an arithmetic number, because the mean of its divisors is an integer number (98221054).

Almost surely, 2^196442107 is an apocalyptic number.

196442107 is a deficient number, since it is larger than the sum of its proper divisors (1).

196442107 is an equidigital number, since it uses as much as digits as its factorization.

196442107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 196442107 is about 14015.7806418337. The cubic root of 196442107 is about 581.3149979035.

Adding to 196442107 its reverse (701244691), we get a palindrome (897686798).

The spelling of 196442107 in words is "one hundred ninety-six million, four hundred forty-two thousand, one hundred seven".