105202387 has 2 divisors, whose sum is σ = 105202388. Its totient is φ = 105202386.

The previous prime is 105202337. The next prime is 105202393. The reversal of 105202387 is 783202501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105202387 - 2¹¹ = 105200339 is a prime.

It is a super-2 number, since 2×105202387² = 22135084460995538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105202337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52601193 + 52601194.

It is an arithmetic number, because the mean of its divisors is an integer number (52601194).

Almost surely, 2^105202387 is an apocalyptic number.

105202387 is a deficient number, since it is larger than the sum of its proper divisors (1).

105202387 is an equidigital number, since it uses as much as digits as its factorization.

105202387 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 105202387 is about 10256.8214862110. The cubic root of 105202387 is about 472.0723145809.

Adding to 105202387 its reverse (783202501), we get a palindrome (888404888).

The spelling of 105202387 in words is "one hundred five million, two hundred two thousand, three hundred eighty-seven".