1232513241 has 4 divisors (see below), whose sum is σ = 1643350992. Its totient is φ = 821675492.

The previous prime is 1232513237. The next prime is 1232513281. The reversal of 1232513241 is 1423152321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1423152321 = 3 ⋅474384107.

It is a cyclic number.

It is not a de Polignac number, because 1232513241 - 2² = 1232513237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232513281) 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, 205418871 + ... + 205418876.

It is an arithmetic number, because the mean of its divisors is an integer number (410837748).

Almost surely, 2^1232513241 is an apocalyptic number.

It is an amenable number.

1232513241 is a deficient number, since it is larger than the sum of its proper divisors (410837751).

1232513241 is an equidigital number, since it uses as much as digits as its factorization.

1232513241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410837750.

The product of its digits is 1440, while the sum is 24.

The square root of 1232513241 is about 35107.1679433132. The cubic root of 1232513241 is about 1072.1705266450.

Adding to 1232513241 its reverse (1423152321), we get a palindrome (2655665562).

The spelling of 1232513241 in words is "one billion, two hundred thirty-two million, five hundred thirteen thousand, two hundred forty-one".