1153202189 has 2 divisors, whose sum is σ = 1153202190. Its totient is φ = 1153202188.

The previous prime is 1153202179. The next prime is 1153202227. The reversal of 1153202189 is 9812023511.

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., 742126564 + 411075625 = 27242^2 + 20275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153202189 - 2⁴ = 1153202173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153202179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576601094 + 576601095.

It is an arithmetic number, because the mean of its divisors is an integer number (576601095).

Almost surely, 2^1153202189 is an apocalyptic number.

It is an amenable number.

1153202189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153202189 is an equidigital number, since it uses as much as digits as its factorization.

1153202189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1153202189 is about 33958.8307955383. The cubic root of 1153202189 is about 1048.6610867516.

The spelling of 1153202189 in words is "one billion, one hundred fifty-three million, two hundred two thousand, one hundred eighty-nine".