1123292089 has 2 divisors, whose sum is σ = 1123292090. Its totient is φ = 1123292088.

The previous prime is 1123292087. The next prime is 1123292143. The reversal of 1123292089 is 9802923211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123255225 + 36864 = 33515^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123292089 - 2¹ = 1123292087 is a prime.

Together with 1123292087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1123292081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561646044 + 561646045.

It is an arithmetic number, because the mean of its divisors is an integer number (561646045).

Almost surely, 2^1123292089 is an apocalyptic number.

It is an amenable number.

1123292089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123292089 is an equidigital number, since it uses as much as digits as its factorization.

1123292089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1123292089 is about 33515.5499581910. The cubic root of 1123292089 is about 1039.5153341416.

The spelling of 1123292089 in words is "one billion, one hundred twenty-three million, two hundred ninety-two thousand, eighty-nine".