1124142231 has 4 divisors (see below), whose sum is σ = 1498856312. Its totient is φ = 749428152.

The previous prime is 1124142197. The next prime is 1124142247. The reversal of 1124142231 is 1322414211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1124142231 - 2⁹ = 1124141719 is a prime.

It is a super-2 number, since 2×1124142231² = 2527391511035314722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1124142198 and 1124142207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124142431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187357036 + ... + 187357041.

It is an arithmetic number, because the mean of its divisors is an integer number (374714078).

Almost surely, 2^1124142231 is an apocalyptic number.

1124142231 is a deficient number, since it is larger than the sum of its proper divisors (374714081).

1124142231 is an equidigital number, since it uses as much as digits as its factorization.

1124142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374714080.

The product of its digits is 384, while the sum is 21.

The square root of 1124142231 is about 33528.2303589080. The cubic root of 1124142231 is about 1039.7775137360. Note that the first 3 decimals are identical.

Adding to 1124142231 its reverse (1322414211), we get a palindrome (2446556442).

The spelling of 1124142231 in words is "one billion, one hundred twenty-four million, one hundred forty-two thousand, two hundred thirty-one".