1124223231 has 4 divisors (see below), whose sum is σ = 1498964312. Its totient is φ = 749482152.

The previous prime is 1124223211. The next prime is 1124223253. The reversal of 1124223231 is 1323224211.

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

It is not a de Polignac number, because 1124223231 - 2²³ = 1115834623 is a prime.

It is a super-2 number, since 2×1124223231² = 2527755746240158722, 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 = 1124223198 and 1124223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124223211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187370536 + ... + 187370541.

It is an arithmetic number, because the mean of its divisors is an integer number (374741078).

Almost surely, 2^1124223231 is an apocalyptic number.

1124223231 is a deficient number, since it is larger than the sum of its proper divisors (374741081).

1124223231 is an equidigital number, since it uses as much as digits as its factorization.

1124223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374741080.

The product of its digits is 576, while the sum is 21.

The square root of 1124223231 is about 33529.4382744477. The cubic root of 1124223231 is about 1039.8024868380.

Adding to 1124223231 its reverse (1323224211), we get a palindrome (2447447442).

The spelling of 1124223231 in words is "one billion, one hundred twenty-four million, two hundred twenty-three thousand, two hundred thirty-one".