1230003000 has 192 divisors, whose sum is σ = 4376829600. Its totient is φ = 310694400.

The previous prime is 1230002999. The next prime is 1230003007. The reversal of 1230003000 is 3000321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230003007) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 167404 + ... + 174596.

Almost surely, 2^1230003000 is an apocalyptic number.

1230003000 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 1230003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188414800).

1230003000 is an abundant number, since it is smaller than the sum of its proper divisors (3146826600).

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

1230003000 is a wasteful number, since it uses less digits than its factorization.

1230003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7222 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1230003000 is about 35071.3986034204. The cubic root of 1230003000 is about 1071.4421407805.

Adding to 1230003000 its reverse (3000321), we get a palindrome (1233003321).

The spelling of 1230003000 in words is "one billion, two hundred thirty million, three thousand".