959991103 has 2 divisors, whose sum is σ = 959991104. Its totient is φ = 959991102.

The previous prime is 959991091. The next prime is 959991127. The reversal of 959991103 is 301199959.

It is a weak prime.

It is an emirp because it is prime and its reverse (301199959) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-959991103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959991133) 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, 479995551 + 479995552.

It is an arithmetic number, because the mean of its divisors is an integer number (479995552).

Almost surely, 2^959991103 is an apocalyptic number.

959991103 is a deficient number, since it is larger than the sum of its proper divisors (1).

959991103 is an equidigital number, since it uses as much as digits as its factorization.

959991103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98415, while the sum is 46.

The square root of 959991103 is about 30983.7231946066. The cubic root of 959991103 is about 986.4817822382.

The spelling of 959991103 in words is "nine hundred fifty-nine million, nine hundred ninety-one thousand, one hundred three".