105340087 has 2 divisors, whose sum is σ = 105340088. Its totient is φ = 105340086.

The previous prime is 105340063. The next prime is 105340091. The reversal of 105340087 is 780043501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105340087 - 2⁷ = 105339959 is a prime.

It is a super-2 number, since 2×105340087² = 22193067858335138, 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 (105340787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52670043 + 52670044.

It is an arithmetic number, because the mean of its divisors is an integer number (52670044).

Almost surely, 2^105340087 is an apocalyptic number.

105340087 is a deficient number, since it is larger than the sum of its proper divisors (1).

105340087 is an equidigital number, since it uses as much as digits as its factorization.

105340087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 105340087 is about 10263.5318969641. The cubic root of 105340087 is about 472.2781908247.

Adding to 105340087 its reverse (780043501), we get a palindrome (885383588).

The spelling of 105340087 in words is "one hundred five million, three hundred forty thousand, eighty-seven".