1123144211 has 8 divisors (see below), whose sum is σ = 1339401984. Its totient is φ = 920838600.

The previous prime is 1123144189. The next prime is 1123144223. The reversal of 1123144211 is 1124413211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123144211 - 2¹⁴ = 1123127827 is a prime.

It is a super-2 number, since 2×1123144211² = 2522905837405625042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123144241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487865 + ... + 3488186.

It is an arithmetic number, because the mean of its divisors is an integer number (167425248).

Almost surely, 2^1123144211 is an apocalyptic number.

1123144211 is a deficient number, since it is larger than the sum of its proper divisors (216257773).

1123144211 is an equidigital number, since it uses as much as digits as its factorization.

1123144211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976081.

The product of its digits is 192, while the sum is 20.

The square root of 1123144211 is about 33513.3437752785. The cubic root of 1123144211 is about 1039.4697157917.

Adding to 1123144211 its reverse (1124413211), we get a palindrome (2247557422).

The spelling of 1123144211 in words is "one billion, one hundred twenty-three million, one hundred forty-four thousand, two hundred eleven".