1233406241 has 4 divisors (see below), whose sum is σ = 1233476484. Its totient is φ = 1233336000.

The previous prime is 1233406231. The next prime is 1233406327. The reversal of 1233406241 is 1426043321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 210366016 + 1023040225 = 14504^2 + 31985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233406241 - 2²² = 1229211937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233406241.

It is not an unprimeable number, because it can be changed into a prime (1233406231) 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, 17141 + ... + 52541.

It is an arithmetic number, because the mean of its divisors is an integer number (308369121).

Almost surely, 2^1233406241 is an apocalyptic number.

It is an amenable number.

1233406241 is a deficient number, since it is larger than the sum of its proper divisors (70243).

1233406241 is an equidigital number, since it uses as much as digits as its factorization.

1233406241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70242.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1233406241 is about 35119.8838409241. The cubic root of 1233406241 is about 1072.4294061188.

Adding to 1233406241 its reverse (1426043321), we get a palindrome (2659449562).

The spelling of 1233406241 in words is "one billion, two hundred thirty-three million, four hundred six thousand, two hundred forty-one".