1153822289 has 4 divisors (see below), whose sum is σ = 1160491956. Its totient is φ = 1147152624.

The previous prime is 1153822279. The next prime is 1153822297. The reversal of 1153822289 is 9822283511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9822283511 = 17 ⋅577781383.

It can be written as a sum of positive squares in 2 ways, for example, as 1102771264 + 51051025 = 33208^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153822289 - 2⁴ = 1153822273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153822279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334574 + ... + 3334919.

It is an arithmetic number, because the mean of its divisors is an integer number (290122989).

Almost surely, 2^1153822289 is an apocalyptic number.

It is an amenable number.

1153822289 is a deficient number, since it is larger than the sum of its proper divisors (6669667).

1153822289 is an equidigital number, since it uses as much as digits as its factorization.

1153822289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669666.

The product of its digits is 69120, while the sum is 41.

The square root of 1153822289 is about 33967.9597414976. The cubic root of 1153822289 is about 1048.8490151206.

The spelling of 1153822289 in words is "one billion, one hundred fifty-three million, eight hundred twenty-two thousand, two hundred eighty-nine".