1030105128719 has 2 divisors, whose sum is σ = 1030105128720. Its totient is φ = 1030105128718.

The previous prime is 1030105128677. The next prime is 1030105128727. The reversal of 1030105128719 is 9178215010301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030105128719 is a prime.

It is a super-2 number, since 2×1030105128719² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030105128739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515052564359 + 515052564360.

It is an arithmetic number, because the mean of its divisors is an integer number (515052564360).

Almost surely, 2^{1030105128719} is an apocalyptic number.

1030105128719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030105128719 is an equidigital number, since it uses as much as digits as its factorization.

1030105128719 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 38.

The spelling of 1030105128719 in words is "one trillion, thirty billion, one hundred five million, one hundred twenty-eight thousand, seven hundred nineteen".