1230301133 has 4 divisors (see below), whose sum is σ = 1272725340. Its totient is φ = 1187876928.

The previous prime is 1230301021. The next prime is 1230301139. The reversal of 1230301133 is 3311030321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 871312324 + 358988809 = 29518^2 + 18947^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230301133 - 2¹⁴ = 1230284749 is a prime.

It is a super-2 number, since 2×1230301133² = 3027281755722167378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230301139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21212060 + ... + 21212117.

It is an arithmetic number, because the mean of its divisors is an integer number (318181335).

Almost surely, 2^1230301133 is an apocalyptic number.

It is an amenable number.

1230301133 is a deficient number, since it is larger than the sum of its proper divisors (42424207).

1230301133 is an equidigital number, since it uses as much as digits as its factorization.

1230301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42424206.

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

The square root of 1230301133 is about 35075.6487181634. The cubic root of 1230301133 is about 1071.5287005843.

Adding to 1230301133 its reverse (3311030321), we get a palindrome (4541331454).

The spelling of 1230301133 in words is "one billion, two hundred thirty million, three hundred one thousand, one hundred thirty-three".