1120120187 has 2 divisors, whose sum is σ = 1120120188.
Its totient is φ = 1120120186.
The previous prime is 1120120181. The next prime is 1120120229. The reversal of 1120120187 is 7810210211.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1120120187 - 224 = 1103342971 is a prime.
It is not a weakly prime, because it can be changed into another prime (1120120181) 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, 560060093 + 560060094.
It is an arithmetic number, because the mean of its divisors is an integer number (560060094).
Almost surely, 21120120187 is an apocalyptic number.
1120120187 is a deficient number, since it is larger than the sum of its proper divisors (1).
1120120187 is an equidigital number, since it uses as much as digits as its factorization.
1120120187 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 224, while the sum is 23.
The square root of 1120120187 is about 33468.1966499541.
The cubic root of 1120120187 is about 1038.5359660825.
Adding to 1120120187 its reverse (7810210211), we get a palindrome (8930330398).
The spelling of 1120120187 in words is "one billion, one hundred twenty million, one hundred twenty thousand, one hundred eighty-seven".