105056087 has 2 divisors, whose sum is σ = 105056088. Its totient is φ = 105056086.

The previous prime is 105056069. The next prime is 105056093. The reversal of 105056087 is 780650501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105056087 - 2⁶ = 105056023 is a prime.

It is a super-2 number, since 2×105056087² = 22073562831503138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105056027) 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, 52528043 + 52528044.

It is an arithmetic number, because the mean of its divisors is an integer number (52528044).

Almost surely, 2^105056087 is an apocalyptic number.

105056087 is a deficient number, since it is larger than the sum of its proper divisors (1).

105056087 is an equidigital number, since it uses as much as digits as its factorization.

105056087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 105056087 is about 10249.6871659578. The cubic root of 105056087 is about 471.8533834929.

The spelling of 105056087 in words is "one hundred five million, fifty-six thousand, eighty-seven".