81094127 has 2 divisors, whose sum is σ = 81094128. Its totient is φ = 81094126.

The previous prime is 81094103. The next prime is 81094133. The reversal of 81094127 is 72149018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 81094127 - 2²⁴ = 64316911 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 81094093 and 81094102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (81094177) 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, 40547063 + 40547064.

It is an arithmetic number, because the mean of its divisors is an integer number (40547064).

Almost surely, 2^81094127 is an apocalyptic number.

81094127 is a deficient number, since it is larger than the sum of its proper divisors (1).

81094127 is an equidigital number, since it uses as much as digits as its factorization.

81094127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 81094127 is about 9005.2277594739. The cubic root of 81094127 is about 432.8424045171.

The spelling of 81094127 in words is "eighty-one million, ninety-four thousand, one hundred twenty-seven".