1230255650 has 24 divisors (see below), whose sum is σ = 2464298004. Its totient is φ = 454248000.

The previous prime is 1230255647. The next prime is 1230255673. The reversal of 1230255650 is 565520321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 442723681 + 787531969 = 21041^2 + 28063^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945701 + ... + 947000.

Almost surely, 2^1230255650 is an apocalyptic number.

1230255650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230255650 is an abundant number, since it is smaller than the sum of its proper divisors (1234042354).

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

1230255650 is a wasteful number, since it uses less digits than its factorization.

1230255650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892726 (or 1892721 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1230255650 is about 35075.0003563792. Note that the first 3 decimals coincide. The cubic root of 1230255650 is about 1071.5154959741.

Adding to 1230255650 its reverse (565520321), we get a palindrome (1795775971).

The spelling of 1230255650 in words is "one billion, two hundred thirty million, two hundred fifty-five thousand, six hundred fifty".