1230605250 has 128 divisors (see below), whose sum is σ = 3535114752. Its totient is φ = 279302400.

The previous prime is 1230605213. The next prime is 1230605263. The reversal of 1230605250 is 525060321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230605250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 823504 + ... + 824996.

It is an arithmetic number, because the mean of its divisors is an integer number (27618084).

Almost surely, 2^1230605250 is an apocalyptic number.

1230605250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230605250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767557376).

1230605250 is an abundant number, since it is smaller than the sum of its proper divisors (2304509502).

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

1230605250 is a wasteful number, since it uses less digits than its factorization.

1230605250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1230605250 is about 35079.9836088901. The cubic root of 1230605250 is about 1071.6169833735.

Adding to 1230605250 its reverse (525060321), we get a palindrome (1755665571).

The spelling of 1230605250 in words is "one billion, two hundred thirty million, six hundred five thousand, two hundred fifty".