1232171351 has 2 divisors, whose sum is σ = 1232171352. Its totient is φ = 1232171350.

The previous prime is 1232171327. The next prime is 1232171419. The reversal of 1232171351 is 1531712321.

It is a weak prime.

It is an emirp because it is prime and its reverse (1531712321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232171351 - 2¹⁰ = 1232170327 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232171351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232171051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616085675 + 616085676.

It is an arithmetic number, because the mean of its divisors is an integer number (616085676).

Almost surely, 2^1232171351 is an apocalyptic number.

1232171351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232171351 is an equidigital number, since it uses as much as digits as its factorization.

1232171351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 1232171351 is about 35102.2983720440. The cubic root of 1232171351 is about 1072.0713801021.

Adding to 1232171351 its reverse (1531712321), we get a palindrome (2763883672).

The spelling of 1232171351 in words is "one billion, two hundred thirty-two million, one hundred seventy-one thousand, three hundred fifty-one".