1124220231 has 12 divisors (see below), whose sum is σ = 1624732200. Its totient is φ = 749083920.

The previous prime is 1124220211. The next prime is 1124220241. The reversal of 1124220231 is 1320224211.

It is a happy number.

1124220231 is a `hidden beast` number, since 1 + 12 + 422 + 0 + 231 = 666.

It is not a de Polignac number, because 1124220231 - 2⁵ = 1124220199 is a prime.

It is a super-2 number, since 2×1124220231² = 2527742255579386722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124220211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14505 + ... + 49586.

It is an arithmetic number, because the mean of its divisors is an integer number (135394350).

Almost surely, 2^1124220231 is an apocalyptic number.

1124220231 is a deficient number, since it is larger than the sum of its proper divisors (500511969).

1124220231 is a wasteful number, since it uses less digits than its factorization.

1124220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66046 (or 66043 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1124220231 is about 33529.3935376111. The cubic root of 1124220231 is about 1039.8015619297.

Adding to 1124220231 its reverse (1320224211), we get a palindrome (2444444442).

The spelling of 1124220231 in words is "one billion, one hundred twenty-four million, two hundred twenty thousand, two hundred thirty-one".