105559087 has 2 divisors, whose sum is σ = 105559088. Its totient is φ = 105559086.

The previous prime is 105559067. The next prime is 105559147. The reversal of 105559087 is 780955501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105559087 - 2¹⁵ = 105526319 is a prime.

It is a super-2 number, since 2×105559087² = 22285441696547138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105559007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52779543 + 52779544.

It is an arithmetic number, because the mean of its divisors is an integer number (52779544).

Almost surely, 2^105559087 is an apocalyptic number.

105559087 is a deficient number, since it is larger than the sum of its proper divisors (1).

105559087 is an equidigital number, since it uses as much as digits as its factorization.

105559087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 105559087 is about 10274.1951996251. The cubic root of 105559087 is about 472.6052500156.

The spelling of 105559087 in words is "one hundred five million, five hundred fifty-nine thousand, eighty-seven".