1120220089 has 2 divisors, whose sum is σ = 1120220090.
Its totient is φ = 1120220088.
The previous prime is 1120220063. The next prime is 1120220131. The reversal of 1120220089 is 9800220211.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 798627600 + 321592489 = 28260^2 + 17933^2
It is an emirp because it is prime and its reverse (9800220211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1120220089 - 211 = 1120218041 is a prime.
It is not a weakly prime, because it can be changed into another prime (1120220009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560110044 + 560110045.
It is an arithmetic number, because the mean of its divisors is an integer number (560110045).
Almost surely, 21120220089 is an apocalyptic number.
It is an amenable number.
1120220089 is a deficient number, since it is larger than the sum of its proper divisors (1).
1120220089 is an equidigital number, since it uses as much as digits as its factorization.
1120220089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 1120220089 is about 33469.6891082065.
The cubic root of 1120220089 is about 1038.5668403694.
The spelling of 1120220089 in words is "one billion, one hundred twenty million, two hundred twenty thousand, eighty-nine".