1230231121 has 8 divisors (see below), whose sum is σ = 1406442240. Its totient is φ = 1054135968.

The previous prime is 1230231089. The next prime is 1230231131. The reversal of 1230231121 is 1211320321.

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 1230231121 - 2⁵ = 1230231089 is a prime.

It is a super-2 number, since 2×1230231121² = 3026937222153833282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230231095 and 1230231104.

It is not an unprimeable number, because it can be changed into a prime (1230231131) 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, 4921 + ... + 49846.

It is an arithmetic number, because the mean of its divisors is an integer number (175805280).

Almost surely, 2^1230231121 is an apocalyptic number.

It is an amenable number.

1230231121 is a deficient number, since it is larger than the sum of its proper divisors (176211119).

1230231121 is an equidigital number, since it uses as much as digits as its factorization.

1230231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57983.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1230231121 is about 35074.6506896362. The cubic root of 1230231121 is about 1071.5083745875.

Adding to 1230231121 its reverse (1211320321), we get a palindrome (2441551442).

The spelling of 1230231121 in words is "one billion, two hundred thirty million, two hundred thirty-one thousand, one hundred twenty-one".