105277091 has 2 divisors, whose sum is σ = 105277092. Its totient is φ = 105277090.

The previous prime is 105277087. The next prime is 105277093. The reversal of 105277091 is 190772501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105277091 - 2² = 105277087 is a prime.

It is a super-2 number, since 2×105277091² = 22166531778844562, which contains 22 as substring.

Together with 105277093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105277093) 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, 52638545 + 52638546.

It is an arithmetic number, because the mean of its divisors is an integer number (52638546).

Almost surely, 2^105277091 is an apocalyptic number.

105277091 is a deficient number, since it is larger than the sum of its proper divisors (1).

105277091 is an equidigital number, since it uses as much as digits as its factorization.

105277091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 105277091 is about 10260.4625139416. The cubic root of 105277091 is about 472.1840273380.

The spelling of 105277091 in words is "one hundred five million, two hundred seventy-seven thousand, ninety-one".