1124223140 has 12 divisors (see below), whose sum is σ = 2360868636. Its totient is φ = 449689248.

The previous prime is 1124223137. The next prime is 1124223143. The reversal of 1124223140 is 413224211.

It is an interprime number because it is at equal distance from previous prime (1124223137) and next prime (1124223143).

It can be written as a sum of positive squares in 2 ways, for example, as 325369444 + 798853696 = 18038^2 + 28264^2 .

It is a super-2 number, since 2×1124223140² = 2527755337022919200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 56211157 = 1124223140 / (1 + 1 + 2 + 4 + 2 + 2 + 3 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (1124223143) 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, 28105559 + ... + 28105598.

It is an arithmetic number, because the mean of its divisors is an integer number (196739053).

Almost surely, 2^1124223140 is an apocalyptic number.

1124223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124223140 is an abundant number, since it is smaller than the sum of its proper divisors (1236645496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1124223140 is a wasteful number, since it uses less digits than its factorization.

1124223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56211166 (or 56211164 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1124223140 is about 33529.4369174312. The cubic root of 1124223140 is about 1039.8024587825.

Adding to 1124223140 its reverse (413224211), we get a palindrome (1537447351).

The spelling of 1124223140 in words is "one billion, one hundred twenty-four million, two hundred twenty-three thousand, one hundred forty".