1230505554 has 32 divisors (see below), whose sum is σ = 2548062720. Its totient is φ = 395684352.

The previous prime is 1230505553. The next prime is 1230505561. The reversal of 1230505554 is 4555050321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1230505553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270402 + ... + 274914.

It is an arithmetic number, because the mean of its divisors is an integer number (79626960).

Almost surely, 2^1230505554 is an apocalyptic number.

1230505554 is an abundant number, since it is smaller than the sum of its proper divisors (1317557166).

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

1230505554 is a wasteful number, since it uses less digits than its factorization.

1230505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1230505554 is about 35078.5625988295. The cubic root of 1230505554 is about 1071.5880440062.

Adding to 1230505554 its reverse (4555050321), we get a palindrome (5785555875).

The spelling of 1230505554 in words is "one billion, two hundred thirty million, five hundred five thousand, five hundred fifty-four".