120201187 has 2 divisors, whose sum is σ = 120201188.
Its totient is φ = 120201186.
The previous prime is 120201173. The next prime is 120201209. The reversal of 120201187 is 781102021.
It is an a-pointer prime, because the next prime (120201209) can be obtained adding 120201187 to its sum of digits (22).
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120201187 is a prime.
It is not a weakly prime, because it can be changed into another prime (120201127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100593 + 60100594.
It is an arithmetic number, because the mean of its divisors is an integer number (60100594).
Almost surely, 2120201187 is an apocalyptic number.
120201187 is a deficient number, since it is larger than the sum of its proper divisors (1).
120201187 is an equidigital number, since it uses as much as digits as its factorization.
120201187 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 22.
The square root of 120201187 is about 10963.6301925959.
The cubic root of 120201187 is about 493.5179108554.
The spelling of 120201187 in words is "one hundred twenty million, two hundred one thousand, one hundred eighty-seven".