1232243261 has 8 divisors (see below), whose sum is σ = 1261548000. Its totient is φ = 1203219280.

The previous prime is 1232243219. The next prime is 1232243279. The reversal of 1232243261 is 1623422321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232243261 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 1232243261.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 61295 + ... + 78876.

It is an arithmetic number, because the mean of its divisors is an integer number (157693500).

Almost surely, 2^1232243261 is an apocalyptic number.

It is an amenable number.

1232243261 is a deficient number, since it is larger than the sum of its proper divisors (29304739).

1232243261 is a wasteful number, since it uses less digits than its factorization.

1232243261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140379.

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

The square root of 1232243261 is about 35103.3226490029. The cubic root of 1232243261 is about 1072.0922351975.

Adding to 1232243261 its reverse (1623422321), we get a palindrome (2855665582).

The spelling of 1232243261 in words is "one billion, two hundred thirty-two million, two hundred forty-three thousand, two hundred sixty-one".