1232404133 has 4 divisors (see below), whose sum is σ = 1233558060. Its totient is φ = 1231250208.

The previous prime is 1232404099. The next prime is 1232404141. The reversal of 1232404133 is 3314042321.

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 377835844 + 854568289 = 19438^2 + 29233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232404133 - 2²⁶ = 1165295269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232404099 and 1232404108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232404153) 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, 575360 + ... + 577497.

It is an arithmetic number, because the mean of its divisors is an integer number (308389515).

Almost surely, 2^1232404133 is an apocalyptic number.

It is an amenable number.

1232404133 is a deficient number, since it is larger than the sum of its proper divisors (1153927).

1232404133 is a wasteful number, since it uses less digits than its factorization.

1232404133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153926.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1232404133 is about 35105.6139812424. The cubic root of 1232404133 is about 1072.1388878141.

Adding to 1232404133 its reverse (3314042321), we get a palindrome (4546446454).

The spelling of 1232404133 in words is "one billion, two hundred thirty-two million, four hundred four thousand, one hundred thirty-three".