107220187 has 2 divisors, whose sum is σ = 107220188. Its totient is φ = 107220186.

The previous prime is 107220133. The next prime is 107220209. The reversal of 107220187 is 781022701.

It is a strong prime.

It is an emirp because it is prime and its reverse (781022701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107220187 is a prime.

It is a super-2 number, since 2×107220187² = 22992337000629938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107220107) 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, 53610093 + 53610094.

It is an arithmetic number, because the mean of its divisors is an integer number (53610094).

Almost surely, 2^107220187 is an apocalyptic number.

107220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

107220187 is an equidigital number, since it uses as much as digits as its factorization.

107220187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 107220187 is about 10354.7181033575. The cubic root of 107220187 is about 475.0713643469.

Adding to 107220187 its reverse (781022701), we get a palindrome (888242888).

The spelling of 107220187 in words is "one hundred seven million, two hundred twenty thousand, one hundred eighty-seven".