1123551119 has 2 divisors, whose sum is σ = 1123551120. Its totient is φ = 1123551118.

The previous prime is 1123551067. The next prime is 1123551151. The reversal of 1123551119 is 9111553211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9111553211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123551119 is a prime.

It is a super-2 number, since 2×1123551119² = 2524734234012304322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123551091 and 1123551100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123551179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561775559 + 561775560.

It is an arithmetic number, because the mean of its divisors is an integer number (561775560).

Almost surely, 2^1123551119 is an apocalyptic number.

1123551119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123551119 is an equidigital number, since it uses as much as digits as its factorization.

1123551119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 29.

The square root of 1123551119 is about 33519.4140611079. The cubic root of 1123551119 is about 1039.5952317227.

The spelling of 1123551119 in words is "one billion, one hundred twenty-three million, five hundred fifty-one thousand, one hundred nineteen".