107543987 has 2 divisors, whose sum is σ = 107543988. Its totient is φ = 107543986.

The previous prime is 107543959. The next prime is 107544007. The reversal of 107543987 is 789345701.

It is a strong prime.

It is an emirp because it is prime and its reverse (789345701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107543987 - 2⁶ = 107543923 is a prime.

It is not a weakly prime, because it can be changed into another prime (107543927) 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, 53771993 + 53771994.

It is an arithmetic number, because the mean of its divisors is an integer number (53771994).

Almost surely, 2^107543987 is an apocalyptic number.

107543987 is a deficient number, since it is larger than the sum of its proper divisors (1).

107543987 is an equidigital number, since it uses as much as digits as its factorization.

107543987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 107543987 is about 10370.3417012170. The cubic root of 107543987 is about 475.5491149151.

It can be divided in two parts, 10754 and 3987, that added together give a palindrome (14741).

The spelling of 107543987 in words is "one hundred seven million, five hundred forty-three thousand, nine hundred eighty-seven".