1123244000 has 48 divisors (see below), whose sum is σ = 2759820336. Its totient is φ = 449296000.

The previous prime is 1123243997. The next prime is 1123244011. The reversal of 1123244000 is 4423211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123244000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136406 + ... + 144405.

It is an arithmetic number, because the mean of its divisors is an integer number (57496257).

Almost surely, 2^1123244000 is an apocalyptic number.

1123244000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123244000 is an abundant number, since it is smaller than the sum of its proper divisors (1636576336).

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

1123244000 is an equidigital number, since it uses as much as digits as its factorization.

1123244000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280836 (or 280818 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1123244000 is about 33514.8325372513. The cubic root of 1123244000 is about 1039.5004997791.

Adding to 1123244000 its reverse (4423211), we get a palindrome (1127667211).

The spelling of 1123244000 in words is "one billion, one hundred twenty-three million, two hundred forty-four thousand".