1124321000 has 128 divisors (see below), whose sum is σ = 2938066560. Its totient is φ = 399168000.

The previous prime is 1124320999. The next prime is 1124321021. The reversal of 1124321000 is 1234211.

It is a super-2 number, since 2×1124321000² = 2528195422082000000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471812 + ... + 474188.

It is an arithmetic number, because the mean of its divisors is an integer number (22953645).

Almost surely, 2^1124321000 is an apocalyptic number.

1124321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469033280).

1124321000 is an abundant number, since it is smaller than the sum of its proper divisors (1813745560).

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

1124321000 is a wasteful number, since it uses less digits than its factorization.

1124321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1124321000 is about 33530.8962003702. The cubic root of 1124321000 is about 1039.8326283911.

Adding to 1124321000 its reverse (1234211), we get a palindrome (1125555211).

The spelling of 1124321000 in words is "one billion, one hundred twenty-four million, three hundred twenty-one thousand".