1232215411 has 4 divisors (see below), whose sum is σ = 1408246192. Its totient is φ = 1056184632.

The previous prime is 1232215367. The next prime is 1232215483. The reversal of 1232215411 is 1145122321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232215411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232215211) 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, 88015380 + ... + 88015393.

It is an arithmetic number, because the mean of its divisors is an integer number (352061548).

Almost surely, 2^1232215411 is an apocalyptic number.

1232215411 is a deficient number, since it is larger than the sum of its proper divisors (176030781).

1232215411 is an equidigital number, since it uses as much as digits as its factorization.

1232215411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176030780.

The product of its digits is 480, while the sum is 22.

The square root of 1232215411 is about 35102.9259606660. The cubic root of 1232215411 is about 1072.0841583308.

Adding to 1232215411 its reverse (1145122321), we get a palindrome (2377337732).

The spelling of 1232215411 in words is "one billion, two hundred thirty-two million, two hundred fifteen thousand, four hundred eleven".