1123142599 has 2 divisors, whose sum is σ = 1123142600. Its totient is φ = 1123142598.

The previous prime is 1123142567. The next prime is 1123142609. The reversal of 1123142599 is 9952413211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123142599 - 2⁵ = 1123142567 is a prime.

It is a super-2 number, since 2×1123142599² = 2522898595376949602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123142099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561571299 + 561571300.

It is an arithmetic number, because the mean of its divisors is an integer number (561571300).

Almost surely, 2^1123142599 is an apocalyptic number.

1123142599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123142599 is an equidigital number, since it uses as much as digits as its factorization.

1123142599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 1123142599 is about 33513.3197251481. The cubic root of 1123142599 is about 1039.4692184896.

The spelling of 1123142599 in words is "one billion, one hundred twenty-three million, one hundred forty-two thousand, five hundred ninety-nine".