1123312159 has 2 divisors, whose sum is σ = 1123312160. Its totient is φ = 1123312158.

The previous prime is 1123312121. The next prime is 1123312181. The reversal of 1123312159 is 9512133211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123312159 - 2¹³ = 1123303967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123312109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561656079 + 561656080.

It is an arithmetic number, because the mean of its divisors is an integer number (561656080).

Almost surely, 2^1123312159 is an apocalyptic number.

1123312159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123312159 is an equidigital number, since it uses as much as digits as its factorization.

1123312159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 28.

The square root of 1123312159 is about 33515.8493701114. The cubic root of 1123312159 is about 1039.5215251548.

The spelling of 1123312159 in words is "one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred fifty-nine".