1122124189 has 2 divisors, whose sum is σ = 1122124190. Its totient is φ = 1122124188.

The previous prime is 1122124177. The next prime is 1122124261. The reversal of 1122124189 is 9814212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101576100 + 20548089 = 33190^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122124189 - 2¹³ = 1122115997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122124189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122124139) 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, 561062094 + 561062095.

It is an arithmetic number, because the mean of its divisors is an integer number (561062095).

Almost surely, 2^1122124189 is an apocalyptic number.

It is an amenable number.

1122124189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122124189 is an equidigital number, since it uses as much as digits as its factorization.

1122124189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 1122124189 is about 33498.1221712501. The cubic root of 1122124189 is about 1039.1549437713.

The spelling of 1122124189 in words is "one billion, one hundred twenty-two million, one hundred twenty-four thousand, one hundred eighty-nine".