1123142244 has 48 divisors (see below), whose sum is σ = 3003033600. Its totient is φ = 320042016.

The previous prime is 1123142243. The next prime is 1123142257. The reversal of 1123142244 is 4422413211.

It is a super-2 number, since 2×1123142244² = 2522897000514711072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1123142243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14197 + ... + 49475.

It is an arithmetic number, because the mean of its divisors is an integer number (62563200).

Almost surely, 2^1123142244 is an apocalyptic number.

1123142244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123142244 is an abundant number, since it is smaller than the sum of its proper divisors (1879891356).

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

1123142244 is a wasteful number, since it uses less digits than its factorization.

1123142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35672 (or 35670 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1123142244 is about 33513.3144287461. The cubic root of 1123142244 is about 1039.4691089720.

Adding to 1123142244 its reverse (4422413211), we get a palindrome (5545555455).

The spelling of 1123142244 in words is "one billion, one hundred twenty-three million, one hundred forty-two thousand, two hundred forty-four".