1233481229 has 4 divisors (see below), whose sum is σ = 1233866460. Its totient is φ = 1233096000.

The previous prime is 1233481181. The next prime is 1233481231. The reversal of 1233481229 is 9221843321.

It is a happy number.

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 399600100 + 833881129 = 19990^2 + 28877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233481229 - 2²⁸ = 965045773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233481259) 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, 187772 + ... + 194229.

It is an arithmetic number, because the mean of its divisors is an integer number (308466615).

Almost surely, 2^1233481229 is an apocalyptic number.

It is an amenable number.

1233481229 is a deficient number, since it is larger than the sum of its proper divisors (385231).

1233481229 is an equidigital number, since it uses as much as digits as its factorization.

1233481229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385230.

The product of its digits is 20736, while the sum is 35.

The square root of 1233481229 is about 35120.9514250397. The cubic root of 1233481229 is about 1072.4511393494.

The spelling of 1233481229 in words is "one billion, two hundred thirty-three million, four hundred eighty-one thousand, two hundred twenty-nine".