1230655130 has 16 divisors (see below), whose sum is σ = 2215847880. Its totient is φ = 492113472.

The previous prime is 1230655123. The next prime is 1230655133. The reversal of 1230655130 is 315560321.

It can be written as a sum of positive squares in 4 ways, for example, as 1048917769 + 181737361 = 32387^2 + 13481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1230655130.

It is not an unprimeable number, because it can be changed into a prime (1230655133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20036 + ... + 53504.

Almost surely, 2^1230655130 is an apocalyptic number.

1230655130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230655130 is a deficient number, since it is larger than the sum of its proper divisors (985192750).

1230655130 is a wasteful number, since it uses less digits than its factorization.

1230655130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37153.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1230655130 is about 35080.6945484265. The cubic root of 1230655130 is about 1071.6314617594.

The spelling of 1230655130 in words is "one billion, two hundred thirty million, six hundred fifty-five thousand, one hundred thirty".