1235054231 has 2 divisors, whose sum is σ = 1235054232. Its totient is φ = 1235054230.

The previous prime is 1235054201. The next prime is 1235054237. The reversal of 1235054231 is 1324505321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1235054231 - 2¹⁰ = 1235053207 is a prime.

It is a super-2 number, since 2×1235054231² = 3050717907022002722, which contains 22 as substring.

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 1235054231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235054237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617527115 + 617527116.

It is an arithmetic number, because the mean of its divisors is an integer number (617527116).

Almost surely, 2^1235054231 is an apocalyptic number.

1235054231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235054231 is an equidigital number, since it uses as much as digits as its factorization.

1235054231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1235054231 is about 35143.3383587843. The cubic root of 1235054231 is about 1072.9068282703.

Adding to 1235054231 its reverse (1324505321), we get a palindrome (2559559552).

The spelling of 1235054231 in words is "one billion, two hundred thirty-five million, fifty-four thousand, two hundred thirty-one".