1124431213 has 8 divisors (see below), whose sum is σ = 1132633856. Its totient is φ = 1116244800.

The previous prime is 1124431193. The next prime is 1124431219. The reversal of 1124431213 is 3121344211.

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 1124431213 - 2⁹ = 1124430701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124431219) 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, 158053 + ... + 165013.

It is an arithmetic number, because the mean of its divisors is an integer number (141579232).

Almost surely, 2^1124431213 is an apocalyptic number.

It is an amenable number.

1124431213 is a deficient number, since it is larger than the sum of its proper divisors (8202643).

1124431213 is an equidigital number, since it uses as much as digits as its factorization.

1124431213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115.

The product of its digits is 576, while the sum is 22.

The square root of 1124431213 is about 33532.5396145296. The cubic root of 1124431213 is about 1039.8666042541.

Adding to 1124431213 its reverse (3121344211), we get a palindrome (4245775424).

The spelling of 1124431213 in words is "one billion, one hundred twenty-four million, four hundred thirty-one thousand, two hundred thirteen".