1230534211 has 4 divisors (see below), whose sum is σ = 1236718000. Its totient is φ = 1224350424.

The previous prime is 1230534199. The next prime is 1230534229. The reversal of 1230534211 is 1124350321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1230534211 - 2⁹ = 1230533699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230534251) 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, 3091596 + ... + 3091993.

It is an arithmetic number, because the mean of its divisors is an integer number (309179500).

Almost surely, 2^1230534211 is an apocalyptic number.

1230534211 is a deficient number, since it is larger than the sum of its proper divisors (6183789).

1230534211 is an equidigital number, since it uses as much as digits as its factorization.

1230534211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183788.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1230534211 is about 35078.9710652978. The cubic root of 1230534211 is about 1071.5963626089.

Adding to 1230534211 its reverse (1124350321), we get a palindrome (2354884532).

The spelling of 1230534211 in words is "one billion, two hundred thirty million, five hundred thirty-four thousand, two hundred eleven".