120658997 has 2 divisors, whose sum is σ = 120658998.
Its totient is φ = 120658996.
The previous prime is 120658973. The next prime is 120659029. The reversal of 120658997 is 799856021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 76755121 + 43903876 = 8761^2 + 6626^2
It is an emirp because it is prime and its reverse (799856021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120658997 - 26 = 120658933 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120658907) 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, 60329498 + 60329499.
It is an arithmetic number, because the mean of its divisors is an integer number (60329499).
Almost surely, 2120658997 is an apocalyptic number.
It is an amenable number.
120658997 is a deficient number, since it is larger than the sum of its proper divisors (1).
120658997 is an equidigital number, since it uses as much as digits as its factorization.
120658997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 272160, while the sum is 47.
The square root of 120658997 is about 10984.4889275742.
The cubic root of 120658997 is about 494.1436706151.
The spelling of 120658997 in words is "one hundred twenty million, six hundred fifty-eight thousand, nine hundred ninety-seven".