1123124219 has 32 divisors (see below), whose sum is σ = 1387860480. Its totient is φ = 887507712.

The previous prime is 1123124207. The next prime is 1123124237. The reversal of 1123124219 is 9124213211.

It is not a de Polignac number, because 1123124219 - 2¹² = 1123120123 is a prime.

It is a super-2 number, since 2×1123124219² = 2522816022608719922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123124719) 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 in 31 ways as a sum of consecutive naturals, for example, 965132 + ... + 966294.

It is an arithmetic number, because the mean of its divisors is an integer number (43370640).

Almost surely, 2^1123124219 is an apocalyptic number.

1123124219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1123124219 is a deficient number, since it is larger than the sum of its proper divisors (264736261).

1123124219 is a wasteful number, since it uses less digits than its factorization.

1123124219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 864, while the sum is 26.

The square root of 1123124219 is about 33513.0455046986. The cubic root of 1123124219 is about 1039.4635482246.

The spelling of 1123124219 in words is "one billion, one hundred twenty-three million, one hundred twenty-four thousand, two hundred nineteen".