1132121189 has 2 divisors, whose sum is σ = 1132121190. Its totient is φ = 1132121188.

The previous prime is 1132121183. The next prime is 1132121231. The reversal of 1132121189 is 9811212311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573602500 + 558518689 = 23950^2 + 23633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132121189 - 2⁴ = 1132121173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132121183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566060594 + 566060595.

It is an arithmetic number, because the mean of its divisors is an integer number (566060595).

Almost surely, 2^1132121189 is an apocalyptic number.

It is an amenable number.

1132121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132121189 is an equidigital number, since it uses as much as digits as its factorization.

1132121189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 29.

The square root of 1132121189 is about 33647.0086188951. The cubic root of 1132121189 is about 1042.2317670849.

The spelling of 1132121189 in words is "one billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred eighty-nine".