1122505229 has 2 divisors, whose sum is σ = 1122505230.
Its totient is φ = 1122505228.
The previous prime is 1122505207. The next prime is 1122505249. The reversal of 1122505229 is 9225052211.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1115226025 + 7279204 = 33395^2 + 2698^2
It is a cyclic number.
It is not a de Polignac number, because 1122505229 - 28 = 1122504973 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1122505249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561252614 + 561252615.
It is an arithmetic number, because the mean of its divisors is an integer number (561252615).
Almost surely, 21122505229 is an apocalyptic number.
It is an amenable number.
1122505229 is a deficient number, since it is larger than the sum of its proper divisors (1).
1122505229 is an equidigital number, since it uses as much as digits as its factorization.
1122505229 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3600, while the sum is 29.
The square root of 1122505229 is about 33503.8091714957.
The cubic root of 1122505229 is about 1039.2725524975.
The spelling of 1122505229 in words is "one billion, one hundred twenty-two million, five hundred five thousand, two hundred twenty-nine".