1232243251 has 4 divisors (see below), whose sum is σ = 1233570600. Its totient is φ = 1230915904.

The previous prime is 1232243219. The next prime is 1232243279. The reversal of 1232243251 is 1523422321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232243251 - 2⁵ = 1232243219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232243291) 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, 662281 + ... + 664138.

It is an arithmetic number, because the mean of its divisors is an integer number (308392650).

Almost surely, 2^1232243251 is an apocalyptic number.

1232243251 is a deficient number, since it is larger than the sum of its proper divisors (1327349).

1232243251 is an equidigital number, since it uses as much as digits as its factorization.

1232243251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327348.

The product of its digits is 2880, while the sum is 25.

The square root of 1232243251 is about 35103.3225065662. The cubic root of 1232243251 is about 1072.0922322974.

Adding to 1232243251 its reverse (1523422321), we get a palindrome (2755665572).

The spelling of 1232243251 in words is "one billion, two hundred thirty-two million, two hundred forty-three thousand, two hundred fifty-one".