1230203130 has 64 divisors (see below), whose sum is σ = 3366655488. Its totient is φ = 285004800.

The previous prime is 1230203111. The next prime is 1230203131. The reversal of 1230203130 is 313020321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1230203131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86146 + ... + 99405.

It is an arithmetic number, because the mean of its divisors is an integer number (52603992).

Almost surely, 2^1230203130 is an apocalyptic number.

1230203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230203130 is an abundant number, since it is smaller than the sum of its proper divisors (2136452358).

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

1230203130 is a wasteful number, since it uses less digits than its factorization.

1230203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185591.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1230203130 is about 35074.2516669993. The cubic root of 1230203130 is about 1071.5002479795.

Adding to 1230203130 its reverse (313020321), we get a palindrome (1543223451).

The spelling of 1230203130 in words is "one billion, two hundred thirty million, two hundred three thousand, one hundred thirty".