1232541439 has 2 divisors, whose sum is σ = 1232541440. Its totient is φ = 1232541438.

The previous prime is 1232541437. The next prime is 1232541473. The reversal of 1232541439 is 9341452321.

It is an a-pointer prime, because the next prime (1232541473) can be obtained adding 1232541439 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232541439 - 2¹ = 1232541437 is a prime.

Together with 1232541437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232541437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616270719 + 616270720.

It is an arithmetic number, because the mean of its divisors is an integer number (616270720).

Almost surely, 2^1232541439 is an apocalyptic number.

1232541439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232541439 is an equidigital number, since it uses as much as digits as its factorization.

1232541439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 1232541439 is about 35107.5695399155. The cubic root of 1232541439 is about 1072.1787031180.

The spelling of 1232541439 in words is "one billion, two hundred thirty-two million, five hundred forty-one thousand, four hundred thirty-nine".