1003422878197 has 2 divisors, whose sum is σ = 1003422878198. Its totient is φ = 1003422878196.

The previous prime is 1003422878191. The next prime is 1003422878207. The reversal of 1003422878197 is 7918782243001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002293313316 + 1129564881 = 1001146^2 + 33609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003422878197 - 2¹¹ = 1003422876149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003422878191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501711439098 + 501711439099.

It is an arithmetic number, because the mean of its divisors is an integer number (501711439099).

Almost surely, 2^{1003422878197} is an apocalyptic number.

It is an amenable number.

1003422878197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003422878197 is an equidigital number, since it uses as much as digits as its factorization.

1003422878197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 1003422878197 in words is "one trillion, three billion, four hundred twenty-two million, eight hundred seventy-eight thousand, one hundred ninety-seven".