1030105091 has 2 divisors, whose sum is σ = 1030105092. Its totient is φ = 1030105090.

The previous prime is 1030105067. The next prime is 1030105099. The reversal of 1030105091 is 1905010301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1030105091 - 2²⁶ = 962996227 is a prime.

It is a super-2 number, since 2×1030105091² = 2122232997008236562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030105099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515052545 + 515052546.

It is an arithmetic number, because the mean of its divisors is an integer number (515052546).

Almost surely, 2^1030105091 is an apocalyptic number.

1030105091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030105091 is an equidigital number, since it uses as much as digits as its factorization.

1030105091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1030105091 is about 32095.2502872310. The cubic root of 1030105091 is about 1009.9359796691.

Adding to 1030105091 its reverse (1905010301), we get a palindrome (2935115392).

The spelling of 1030105091 in words is "one billion, thirty million, one hundred five thousand, ninety-one".