1230105200 has 30 divisors (see below), whose sum is σ = 2955328704. Its totient is φ = 492041920.

The previous prime is 1230105187. The next prime is 1230105259. The reversal of 1230105200 is 25010321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1537232 + ... + 1538031.

Almost surely, 2^1230105200 is an apocalyptic number.

1230105200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230105200 is an abundant number, since it is smaller than the sum of its proper divisors (1725223504).

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

1230105200 is a wasteful number, since it uses less digits than its factorization.

1230105200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075281 (or 3075270 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1230105200 is about 35072.8556008774. The cubic root of 1230105200 is about 1071.4718150589.

Adding to 1230105200 its reverse (25010321), we get a palindrome (1255115521).

The spelling of 1230105200 in words is "one billion, two hundred thirty million, one hundred five thousand, two hundred".