1123375159 has 2 divisors, whose sum is σ = 1123375160. Its totient is φ = 1123375158.

The previous prime is 1123375109. The next prime is 1123375189. The reversal of 1123375159 is 9515733211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123375159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123375109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561687579 + 561687580.

It is an arithmetic number, because the mean of its divisors is an integer number (561687580).

Almost surely, 2^1123375159 is an apocalyptic number.

1123375159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123375159 is an equidigital number, since it uses as much as digits as its factorization.

1123375159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 37.

The square root of 1123375159 is about 33516.7892107821. The cubic root of 1123375159 is about 1039.5409583496.

The spelling of 1123375159 in words is "one billion, one hundred twenty-three million, three hundred seventy-five thousand, one hundred fifty-nine".