1230011121 has 8 divisors (see below), whose sum is σ = 1670958720. Its totient is φ = 804535472.

The previous prime is 1230011099. The next prime is 1230011147. The reversal of 1230011121 is 1211100321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230011121 - 2¹¹ = 1230009073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230011097 and 1230011106.

It is not an unprimeable number, because it can be changed into a prime (1230011161) 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, 3867801 + ... + 3868118.

It is an arithmetic number, because the mean of its divisors is an integer number (208869840).

Almost surely, 2^1230011121 is an apocalyptic number.

It is an amenable number.

1230011121 is a deficient number, since it is larger than the sum of its proper divisors (440947599).

1230011121 is an equidigital number, since it uses as much as digits as its factorization.

1230011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735975.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1230011121 is about 35071.5143813323. The cubic root of 1230011121 is about 1071.4444988134. Note that the first 4 decimals are identical.

Adding to 1230011121 its reverse (1211100321), we get a palindrome (2441111442).

The spelling of 1230011121 in words is "one billion, two hundred thirty million, eleven thousand, one hundred twenty-one".