1230133130 has 8 divisors (see below), whose sum is σ = 2214239652. Its totient is φ = 492053248.

The previous prime is 1230133109. The next prime is 1230133139. The reversal of 1230133130 is 313310321.

It can be written as a sum of positive squares in 2 ways, for example, as 1209439729 + 20693401 = 34777^2 + 4549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1230133099 and 1230133108.

It is not an unprimeable number, because it can be changed into a prime (1230133139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61506647 + ... + 61506666.

Almost surely, 2^1230133130 is an apocalyptic number.

1230133130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230133130 is a deficient number, since it is larger than the sum of its proper divisors (984106522).

1230133130 is a wasteful number, since it uses less digits than its factorization.

1230133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123013320.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1230133130 is about 35073.2537697887. The cubic root of 1230133130 is about 1071.4799243873.

Adding to 1230133130 its reverse (313310321), we get a palindrome (1543443451).

The spelling of 1230133130 in words is "one billion, two hundred thirty million, one hundred thirty-three thousand, one hundred thirty".