1230144055 has 32 divisors (see below), whose sum is σ = 1788822144. Its totient is φ = 792784896.

The previous prime is 1230143989. The next prime is 1230144059. The reversal of 1230144055 is 5504410321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1230144055 - 2⁷ = 1230143927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230144059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708969 + ... + 710701.

It is an arithmetic number, because the mean of its divisors is an integer number (55900692).

Almost surely, 2^1230144055 is an apocalyptic number.

1230144055 is a deficient number, since it is larger than the sum of its proper divisors (558678089).

1230144055 is a wasteful number, since it uses less digits than its factorization.

1230144055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1230144055 is about 35073.4095149017. The cubic root of 1230144055 is about 1071.4830963702.

Adding to 1230144055 its reverse (5504410321), we get a palindrome (6734554376).

The spelling of 1230144055 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, fifty-five".