1234205130 has 16 divisors (see below), whose sum is σ = 2962092384. Its totient is φ = 329121360.

The previous prime is 1234205111. The next prime is 1234205149. The reversal of 1234205130 is 315024321.

It is an interprime number because it is at equal distance from previous prime (1234205111) and next prime (1234205149).

It is a junction number, because it is equal to n+sod(n) for n = 1234205097 and 1234205106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20570056 + ... + 20570115.

It is an arithmetic number, because the mean of its divisors is an integer number (185130774).

Almost surely, 2^1234205130 is an apocalyptic number.

1234205130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234205130 is an abundant number, since it is smaller than the sum of its proper divisors (1727887254).

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

1234205130 is a wasteful number, since it uses less digits than its factorization.

1234205130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41140181.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1234205130 is about 35131.2557418604. The cubic root of 1234205130 is about 1072.6608970687.

Adding to 1234205130 its reverse (315024321), we get a palindrome (1549229451).

The spelling of 1234205130 in words is "one billion, two hundred thirty-four million, two hundred five thousand, one hundred thirty".